unlikeliest
Most far-fetched
Unlikeliest is the superlative of unlikely—the least probable among a group: the unlikeliest outcome, the unlikeliest of heroes.
It often carries a note of surprise or irony, suggesting something that defied expectations: He became a star in the unlikeliest way possible.
Unlikely to be true
- far-fetchedUnconvincingly unlikely or strained
- inconceivableBeyond mental grasp
- preposterousCompletely contrary to reason
- absurdWildly illogical
unimaginable · doubtful · questionable · fantastical · ridiculous · ludicrous · illogical · unrealistic
Not predicted beforehand
- unforeseenNot predicted or expected
- surprisingCausing mild shock
- unpredictedNot foretold or anticipated
- unlooked-forNot anticipated or foreseen
blindsiding · startling · astonishing · shocking · jarring · curveball · wild-card · dark-horse
Shockingly impressive
- amazingCausing great wonder
- incredibleDefying easy belief
- phenomenalExceptionally impressive or unusual
- miraculousSeemingly impossible yet real
extraordinary · remarkable · unbelievable · staggering · stunning · mind-boggling · jaw-dropping · eye-opening
Occurring by chance
- coincidentalOccurring together by luck
- randomOccurring without pattern
- serendipitousFortunately coincidental
- unplannedNot arranged beforehand
unintended · fortuitous · incidental · happenstance · fluky · providential · spontaneous · inadvertent
implausible
Unlikely to be true
- far-fetchedUnconvincingly unlikely or strained
- inconceivableBeyond mental grasp
- preposterousCompletely contrary to reason
absurd · unimaginable · doubtful · questionable · fantastical · ridiculous · ludicrous · illogical · unrealistic · remote
unanticipated
Not predicted beforehand
- unforeseenNot predicted or expected
- surprisingCausing mild shock
- unpredictedNot foretold or anticipated
unlooked-for · blindsiding · startling · astonishing · shocking · jarring · curveball · wild-card · dark-horse · underdog
astounding
Shockingly impressive
- amazingCausing great wonder
- incredibleDefying easy belief
- phenomenalExceptionally impressive or unusual
miraculous · extraordinary · remarkable · unbelievable · staggering · stunning · mind-boggling · jaw-dropping · eye-opening · breathtaking
accidental
Occurring by chance
- coincidentalOccurring together by luck
- randomOccurring without pattern
- serendipitousFortunately coincidental
unplanned · unintended · fortuitous · incidental · happenstance · fluky · providential · spontaneous · inadvertent · unpremeditated