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

Need another word that means the same as “unfathomable”? Find 24 synonyms and 30 related words for “unfathomable” in this overview.

The synonyms of “Unfathomable” are: abysmal, abyssal, inscrutable, incomprehensible, enigmatic, incalculable, indecipherable, obscure, esoteric, abstruse, puzzling, cryptic, mysterious, mystifying, baffling, deep, profound, secretive, immeasurable, fathomless, unfathomed, unplumbed, bottomless, unsounded

Unfathomable as an Adjective

Definitions of "Unfathomable" as an adjective

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

• Incapable of being fully understood.
• Impossible to come to understand.
• Of depth; not capable of being sounded or measured.
• Incapable of being fully explored or understood.
• Resembling an abyss in depth; so deep as to be unmeasurable.
• (of water or a natural feature) impossible to measure the extent of.

Synonyms of "Unfathomable" as an adjective (24 Words)

abstruse	Difficult to understand; obscure. An abstruse philosophical inquiry.
abysmal	Very great; limitless. Abysmal stupidity.
abyssal	Relating to or denoting the depths or bed of the ocean, especially between about 3000 and 6000 metres down. The abyssal depths of the Atlantic.
baffling	Making great mental demands; hard to comprehend or solve or believe. The crime is a baffling mystery for the police.
bottomless	Having no bottom. The cold dark sea in whose bottomless depths monsters swam.
cryptic	Having a puzzling terseness. The new insurance policy is written without cryptic or mysterious terms.
deep	Relatively deep or strong affecting one deeply. Deep midwicket.
enigmatic	Not clear to the understanding. I didn t grasp the meaning of that enigmatic comment until much later.
esoteric	Confined to and understandable by only an enlightened inner circle. A compilation of esoteric philosophical theories.
fathomless	Unable to be measured or understood; extremely deep. The fathomless depths of the novel.
immeasurable	Too large, extensive, or extreme to measure. Immeasurable wealth.
incalculable	Not able to be computed or enumerated. Incalculable riches.
incomprehensible	Not able to be understood; not intelligible. The most incomprehensible thing about the universe is that it is comprehensible.
indecipherable	Impossible to determine the meaning of. Indecipherable handwriting.
inscrutable	Of an obscure nature- Rachel. Guy looked blankly inscrutable.
mysterious	Of an obscure nature. A dark mysterious windowless building.
mystifying	Utterly bewildering or perplexing. Rituals totally mystifying to visitors from other lands.
obscure	Marked by difficulty of style or expression. An obscure turn of phrase.
profound	Deep and complete. A case of profound liver failure.
puzzling	Lacking clarity of meaning; causing confusion or perplexity. A puzzling statement.
secretive	(of a person’s expression or manner) having an enigmatic or conspiratorial quality. She was very secretive about her past.
unfathomed	Not fully explored or understood. Throughout the book her emotions remain relatively opaque and unfathomed.
unplumbed	Situated at or extending to great depth; too deep to have been sounded or plumbed-Thomas Gray. Unplumbed depths of the sea.
unsounded	Not uttered, pronounced, or made to sound. In French certain letters are often unsounded.

Usage Examples of "Unfathomable" as an adjective

• Mountains of unfathomable scale.
• Her grey eyes were dark with some unfathomable emotion.

Associations of "Unfathomable" (30 Words)

abysmal	Very deep. Abysmal misery.
arcane	Understood by few; mysterious or secret. The arcane science of dowsing.
crossword	A puzzle in which words corresponding to numbered clues are to be found and written in to squares in the puzzle. She settled down to do the crossword.
cryptic	Of an obscure nature. The new insurance policy is written without cryptic or mysterious terms.
darkness	An unenlightened state. The office was in darkness.
disappearance	Ceasing to exist. He regretted the disappearance of Greek from school curricula.
enigma	A person or thing that is mysterious or difficult to understand. Madeleine was still an enigma to him.
enigmatic	Difficult to interpret or understand; mysterious. An enigmatic smile.
esoterica	Esoteric or highly specialized subjects or publications. A professor of such esoterica as angelology and comparative shamanism.
immeasurable	Too large, extensive, or extreme to measure. Immeasurable wealth.
incomprehensible	Difficult to understand- A. Einstein. A language which is incomprehensible to anyone outside the office.
inexplicable	Unable to be explained or accounted for. For some inexplicable reason her mind went completely blank.
inscrutable	Of an obscure nature- Rachel. The inscrutable workings of Providence.
insoluble	Without hope of solution. Once dry the paints become insoluble in water.
mysterious	(of a person) deliberately enigmatic. In its mysterious past it encompasses all the dim origins of life.
mystery	An incident in the life of Jesus or of a saint as a focus of devotion in the Roman Catholic Church, especially each of those commemorated during recitation of successive decades of the rosary. The mystery of Christ.
occult	Supernatural practices and techniques. An occult fracture.
odd	An indefinite quantity more than that specified. They lost a close fought game by the odd goal in five.
preternatural	Beyond what is normal or natural. Autumn had arrived with preternatural speed.
profound	Profound quality. A profound philosopher.
puzzle	A jigsaw puzzle. Realization dawned as the pieces of the puzzle fell into place.
puzzling	Lacking clarity of meaning; causing confusion or perplexity. A puzzling statement.
risque	Suggestive of sexual impropriety. A risque story.
sibylline	Having a secret or hidden meaning- John Gunther. One glimpses them uttering sibylline predictions of weal and woe.
unaccountable	(of a person or their behaviour) unpredictable and strange. There are enormous risks in leaving such agencies uncontrolled and unaccountable.
uncanny	Surpassing the ordinary or normal – George Will. His uncanny sense of direction.
unintelligible	Not clearly understood or expressed. Unintelligible speech.
unsolved	Not solved. An unsolved mystery.
weird	A person’s destiny. All sorts of weird and wonderful characters.
whodunit	A story about a crime (usually murder) presented as a novel or play or movie.