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

Need another word that means the same as “impossible”? Find 28 synonyms and 30 related words for “impossible” in this overview.

The synonyms of “Impossible” are: inconceivable, out of the question, unimaginable, unacceptable, not possible, not worth considering, unattainable, unachievable, unobtainable, hopeless, impractical, implausible, impracticable, unworkable, unbearable, intolerable, unendurable, unsustainable, unmanageable, intractable, recalcitrant, wayward, objectionable, difficult, demanding, awkward, perverse, ungovernable

Impossible as an Adjective

Definitions of "Impossible" as an adjective

According to the Oxford Dictionary of English, “impossible” as an adjective can have the following definitions:

• Very difficult to deal with.
• Not capable of occurring or being accomplished or dealt with.
• (of a person) very unreasonable.
• Totally unlikely.
• Not able to occur, exist, or be done.
• (used of persons or their behavior) not acceptable or reasonable.
• Used of persons or their behavior.

Synonyms of "Impossible" as an adjective (28 Words)

awkward	Deliberately unreasonable or uncooperative. Some awkward questions.
demanding	(of a task) requiring much skill or effort. A baby can be so demanding.
difficult	Characterized by or causing hardships or problems. A difficult child.
hopeless	(informal to emphasize how bad it is) beyond hope of management or reform. In an agony of hopeless grief.
implausible	Highly imaginative but unlikely. This is a blatantly implausible claim.
impracticable	Not capable of being carried out or put into practice. It was impracticable to widen the road here.
impractical	(of a person) not skilled or interested in doing practical work. An impractical solution.
inconceivable	Not capable of being imagined or grasped mentally; unbelievable. It seemed inconceivable that the president had been unaware of what was going on.
intolerable	Incapable of being tolerated or endured. The intolerable pressures of his work.
intractable	Hard to control or deal with. Intractable pain.
not possible	Existing in possibility.
not worth considering	Worthy of being treated in a particular way (often used ironically.
objectionable	Causing disapproval or protest. Found the politician s views objectionable.
out of the question	Directed outward or serving to direct something outward.
perverse	Marked by a disposition to oppose and contradict. An evil life dedicated to perverse pleasure.
recalcitrant	Marked by stubborn resistance to authority. The University suspended the most recalcitrant demonstrators.
unacceptable	Not satisfactory or allowable. The coach told his players that defeat was unacceptable.
unachievable	(of an aim or objective) too difficult to be achieved. An unachievable political goal.
unattainable	Impossible to achieve. An unattainable goal.
unbearable	Not able to be endured or tolerated. The heat was getting unbearable.
unendurable	Not able to be tolerated or endured. Cries of unendurable suffering.
ungovernable	Impossible to control or govern. An ungovernable impulse to run away.
unimaginable	Totally unlikely. Lives of almost unimaginable deprivation.
unmanageable	Incapable of being controlled or managed. An unmanageable situation.
unobtainable	Not capable of being obtained. Timber is virtually unobtainable in the islands.
unsustainable	Not able to be maintained at the current rate or level. Both remarks are unsustainable.
unworkable	(of a material) not able to be worked. The alloy becomes brittle and almost unworkable.
wayward	Difficult to control or predict because of wilful or perverse behaviour. A wayward adolescent.

Usage Examples of "Impossible" as an adjective

• An impossible dream.
• What an arrogant impossible fool.
• It was almost impossible to keep up with him.
• She was in an impossible situation.
• Impossible behavior.
• A seemingly impossible task.
• An impossible situation.

Associations of "Impossible" (30 Words)

astounding	Bewildering or striking dumb with wonder. The summit offers astounding views.
farfetched	Highly imaginative but unlikely. A farfetched excuse.
illogical	Lacking in correct logical relation. An illogical fear of the supernatural.
implausible	(of an argument or statement) not seeming reasonable or probable; failing to convince. Gave the teacher an implausible excuse.
impracticable	Not capable of being carried out or put into practice. Refloating the sunken ship proved impracticable because of its fragility.
improbable	Too improbable to admit of belief. An improbable event.
improbably	Not easy to believe. Everyone in the film is improbably gorgeous.
inconceivable	Totally unlikely. They behaved with inconceivable cruelty.
incredible	Very good; wonderful. The book s plot is simply incredible.
incredibly	Used to introduce a statement that is hard to believe; strangely. Michele was incredibly brave.
indefensible	Incapable of being justified or explained. This behaviour is morally indefensible.
inordinate	Unusually or disproportionately large; excessive. The case had taken up an inordinate amount of time.
irrational	An irrational number or quantity a surd. Irrational animals.
levity	The treatment of a serious matter with humour or lack of due respect. As an attempt to introduce a note of levity the words were a disastrous flop.
miraculously	In a remarkable and extremely lucky manner. A shrine where people bring the sick to be miraculously healed.
mission	A building or group of buildings used by a Christian mission. Gandhi s attitude to mission and conversion.
surprising	Causing surprise; unexpected. Leaped up with surprising agility.
try	An act of trying something new or different to see if it is suitable effective or pleasant. She agreed that they should give the idea a try.
unacceptable	Not satisfactory or allowable. An unacceptable violation of personal freedom.
unbelievable	Beyond belief or understanding. Your audacity is unbelievable.
unbelievably	Not easy to believe. The show went unbelievably well.
unconvincing	Not convincing. A slightly bizarre and unconvincing fusion of musical forces.
undue	Unwarranted or inappropriate because excessive or disproportionate. I didn t want to show undue excitement.
unimaginable	Totally unlikely. Lives of almost unimaginable deprivation.
unjustifiable	Not able to be shown to be right or reasonable. An unjustifiable restriction on their freedom.
unlikely	Having a probability too low to inspire belief. An unlikely explanation.
unreasonable	Beyond normal limits. An unreasonable request.
unreliable	Not able to be relied upon. In the early 1950s computers were large and expensive and unreliable.
untenable	(especially of a position or view) not able to be maintained or defended against attack or objection. This argument is clearly untenable.
unthinkable	Incapable of being conceived or considered. It was unthinkable that John could be dead.