EXTENSION: Synonyms and Related Words. What is Another Word for EXTENSION?

Need another word that means the same as “extension”? Find 43 synonyms and 30 related words for “extension” in this overview.

The synonyms of “Extension” are: denotation, reference, annex, annexe, wing, lengthiness, prolongation, elongation, propagation, extension phone, telephone extension, extension service, university extension, file name extension, filename extension, addition, add-on, adjunct, addendum, augmentation, supplement, appendage, appendix, expansion, increase, enlargement, development, progress, advance, advancement, headway, improvement, furtherance, spread, buildout, escalation, lengthening, protraction, continuation, perpetuation, postponement, deferral, delay

Extension as a Noun

Definitions of "Extension" as a noun

According to the Oxford Dictionary of English, “extension” as a noun can have the following definitions:

• An educational opportunity provided by colleges and universities to people who are not enrolled as regular students.
• A length of electric cable which permits the use of appliances at some distance from a fixed socket.
• The most direct or specific meaning of a word or expression; the class of objects that an expression refers to.
• A subsidiary telephone in a large building, on a line leading from the main switchboard but having its own additional number.
• Lengths of artificial hair woven into a person's own hair to create a very long hairstyle.
• The ability of a dancer to raise one leg above their waist, especially to the side.
• A part that is added to something to enlarge or prolong it.
• The lengthening of a horse's stride at a particular pace.
• A string of characters beginning with a period and followed by one or more letters; the optional second part of a PC computer filename.
• The property of occupying space.
• An addition to the length of something.
• An additional telephone set that is connected to the same telephone line.
• Amount or degree or range to which something extends.
• The spreading of something (a belief or practice) into new regions.
• The action or process of enlarging or extending something.
• An additional period of time given to someone to hold office or fulfil an obligation.
• Permission granted to licensed premises for the sale of alcoholic drinks until later than usual.
• The ability to raise the working leg high in the air.
• A subsidiary telephone on the same line as the main one.
• An addition that extends a main building.
• The range of a term or concept as measured by the objects which it denotes or contains.
• Denoting instruction by a university or college arranged for people who are not full-time students.
• Act of stretching or straightening out a flexed limb.
• An application of an existing system or activity to a new area.
• Act of expanding in scope; making more widely available.
• The application of traction to a fractured or dislocated limb or to an injured spinal column to restore it to its normal position.
• An optional suffix to a filename, typically consisting of a full stop followed by several characters, indicating the file's content or function.
• A mutually agreed delay in the date set for the completion of a job or payment of a debt.
• A room or rooms added to an existing building.
• The action of moving a limb from a bent to a straight position.

Synonyms of "Extension" as a noun (43 Words)

add-on	A component that is added to something to improve it.
addendum	The radial distance from the pitch circle of a cogwheel or wormwheel to the crests of the teeth or ridges.
addition	Something added to what you already have. The addition of a bathroom was a major improvement.
adjunct	A thing added to something else as a supplementary rather than an essential part. A talented adjunct desperately grabbing at officer status.
advance	Increase in price or value. The author was paid a 250 000 advance.
advancement	Encouragement of the progress or growth or acceptance of something. Technological advancements.
annex	An addition that extends a main building. An annex to the report.
annexe	An addition that extends a main building.
appendage	A natural prolongation or projection from a part of an organism either animal or plant. A pair of feathery appendages through which oxygen is absorbed.
appendix	A tube shaped sac attached to and opening into the lower end of the large intestine in humans and some other mammals In humans the appendix is small and has no known function but in rabbits hares and some other herbivores it is involved in the digestion of cellulose. A list of such activities was published as an appendix to the report.
augmentation	The statement of a theme in notes of greater duration (usually twice the length of the original. The augmentation of the curriculum with new subjects.
buildout	The growth, development, or expansion of something. The rapid buildout of digital technology.
continuation	The state of remaining in a particular position or condition. The continuation of discussions about a permanent peace.
deferral	Act of putting off to a future time. They agreed to a deferral of industrial action.
delay	The action of delaying or being delayed. A two hour delay.
denotation	The object or concept to which a term refers, or the set of objects of which a predicate is true. Beyond their immediate denotation the words have a connotative power.
development	(biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level. The slow development of her skill as a writer.
elongation	The angular separation of a planet from the sun or of a satellite from a planet, as seen by an observer. An elongation of the crater in the impact direction.
enlargement	The state of being enlarged. Talks on the enlargement of the EU.
escalation	An increase in the intensity or seriousness of something; an intensification. Cost escalations.
expansion	A function expressed as a sum or product of terms. The book is an expansion of a lecture given last year.
extension phone	An addition that extends a main building.
extension service	An addition that extends a main building.
file name extension	Office furniture consisting of a container for keeping papers in order.
filename extension	An addition that extends a main building.
furtherance	Encouragement of the progress or growth or acceptance of something. The court held that the union s acts were not in furtherance of a trade dispute.
headway	Forward movement of a ship or boat, especially when this is slow or difficult. The ship was making very little headway against heavy seas.
improvement	A thing that makes something better or is better than something else. Home improvements.
increase	A change resulting in an increase. Some increase in inflation is expected.
lengthening	The act of prolonging something.
lengthiness	Amount or degree or range to which something extends.
perpetuation	The continuation or preservation of a situation, idea, etc. We criticized the perpetuation of racial stereotypes.
postponement	Act of putting off to a future time. The postponement of the elections.
progress	Development towards an improved or more advanced condition. He listened for the progress of the troops.
prolongation	The act of prolonging something. There was an indefinite prolongation of the peace talks.
propagation	The breeding of specimens of a plant or animal by natural processes from the parent stock. The physics of light propagation.
protraction	The action of extending a part of the body. The protraction of the war.
reference	A remark that calls attention to something or someone. Popular works of reference.
spread	A bedspread. The spread of the urban population into rural areas.
supplement	A supplementary component that improves capability. An earnings related supplement was paid during the first six months of unemployment.
telephone extension	Electronic equipment that converts sound into electrical signals that can be transmitted over distances and then converts received signals back into sounds.
university extension	Establishment where a seat of higher learning is housed, including administrative and living quarters as well as facilities for research and teaching.
wing	The wing of a fowl. He preferred the drumsticks to the wings.

Usage Examples of "Extension" as a noun

• You can listen on the extension in the bedroom.
• The wire has an extension of 50 feet.
• Drinks were served until the early hours of the morning, without any extension having been granted.
• Most BASIC files use the filename extension .BAS.
• The extension of `satellite of Mars' is the set containing only Demos and Phobos.
• Most applications provide extensions for the files they create.
• Seizures with sudden rigid extension of the limbs.
• Good extension comes from a combination of training and native ability.
• The railway's southern extension.
• They applied for an extension of the loan.
• She has amazing extension.
• Contact Liz McDonald on extension 3514.
• A postgraduate extension course.
• The dancer was praised for her uncanny extension.
• Direct marketing is an extension of telephone selling.
• The extension of the President's powers.
• They hope to demolish the store and build a bar extension.
• The initial term of appointment is for one year, but an extension of two years is envisaged.
• Nature, for Descartes, was pure extension in space.
• Extension of the program to all in need.

Associations of "Extension" (30 Words)

add	Make an addition to join or combine or unite with others increase the quality quantity size or scope of. We added two students to that dorm room.
amplification	The amount of increase in signal power or voltage or current expressed as the ratio of output to input. A technique known as random amplification of polymorphic DNA.
amplify	Make (something) more marked or intense. The manufacturers have developed a system of amplifying the radio signal.
annex	Add as an extra or subordinate part, especially to a document. An annex to the report.
consolidate	Combine (a number of financial accounts or funds) into a single overall account or set of accounts. The company consolidated its position in the international market.
continuation	A Gestalt principle of organization holding that there is an innate tendency to perceive a line as continuing its established direction. The continuation of discussions about a permanent peace.
continuing	Without a break in continuity; ongoing. The act provided a continuing annual appropriation.
duration	The time during which something continues. Bicycle hire for the duration of your holiday.
enlarge	Add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing. They have renovated and enlarged the four storey building.
expand	Expand the influence of. The dough expands.
expanded	Being or having been enlarged or extended. The curved soffit is finished with a strip of expanded metal mesh.
expansion	A function expressed as a sum or product of terms. A small expansion of industry.
extend	Extend in scope or range or area. Her generosity did not extend to all adults.
forever	A very long time (used hyperbolically. It took forever to get a passport.
increase	A change resulting in an increase. They proposed an increase of 15 percent in the fare.
intension	What you must know in order to determine the reference of an expression.
magnify	Praise highly; glorify. Praise the Lord and magnify Him.
merge	Blend or cause to blend gradually into something else so as to become indistinguishable from it. He agreed to merge his broadcasting company with a multinational concern.
ongoing	Continuing; still in progress. Ongoing negotiations.
pavilion	Large and often sumptuous tent. The form of alternating pavilions also allows the site to be developed in depth.
perpetuation	The act of prolonging something. We criticized the perpetuation of racial stereotypes.
preservation	An occurrence of improvement by virtue of preventing loss or injury or other change. Food preservation.
prolongation	The consequence of being lengthened in duration. There was an indefinite prolongation of the peace talks.
propagation	Reproduction by natural processes. Hunting regulations ensure the propagation of the species.
sequel	Something that takes place after or as a result of an earlier event. This encouragement to grow potatoes had a disastrous sequel some fifty years later.
strengthen	Give a healthy elasticity to. He advises an application of fluoride to strengthen the teeth.
stretch	Easily stretched. I got up and had a stretch.
swell	Come up (as of feelings and thoughts, or other ephemeral things. The music swelled to a crescendo.
territory	An area defended by a team or player in a game or sport. Male blackbirds try to attract as many females to their territory as possible.
unite	Be or become joined or united or linked. They are united by their love of cars.