Synonyms of inexplicable

inexplicable

adjective

ˌi-nik-ˈspli-kə-bəl 

as in unexplainable

impossible to explain

an inexplicable desire for ice cream at two in the morning

Synonyms & Similar Words

• unexplainable
• irrational
• unreasonable
• unaccountable
• unusual
• inexplainable
• indescribable
• incomprehensible
• mysterious
• indefinable
• odd
• unfathomable
• inexpressible
• unknowable
• inscrutable
• enigmatic
• illogical
• absurd
• cryptic
• strange
• impenetrable
• unsayable
• foolish
• weird
• peculiar
• mindless
• unsound
• senseless

Antonyms & Near Antonyms

• reasonable
• understandable
• logical
• explicable
• accountable
• rational
• explainable
• tenable
• wise
• sensible
• plausible
• sane
• compelling
• convincing
• explained
• persuasive
• satisfying
• confirmed
• established
• determined
• validated
• substantiated
• corroborated

Example Sentences

Recent Examples of inexplicable

They were shocked by their inexplicable sloppiness, by a flop that not a single one of them could answer for. — Henry Bushnell, New York Times, 7 July 2026

And those benefits, the story goes, are endangered by an inexplicable quirk in the law that applies Social Security payroll taxes to only the first $184,500 in annual wages (a figure that rises annually with wage inflation). — Jessica Riedl, The Atlantic, 6 July 2026

For what some might insist are inexplicable reasons, this set of eleven nouns is used consistently and repeatedly by the AIs, even when prompting entirely different LLMs to compose a fresh story from scratch. — Lance Eliot, Forbes.com, 5 July 2026

The organization said Kirbiyik, who spent 10 years alongside Deniz, had not noticed any signs of illness and was shocked by his sudden and inexplicable death. — Andrea Sachs The Washington Post, Arkansas Online, 28 June 2026