Englishimplausible
adjective
they despaired of his adherence to implausible theories:
unlikely, not likely, improbable, questionable, doubtful, debatable;
hard to believe, unconvincing, far-fetched, unrealistic, incredible, unbelievable, unimaginable, inconceivable, fantastic, fanciful, ridiculous, absurd, preposterous;
informal hard to swallow, cock and bull, tall.
▷antonyms plausible, convincing.
| word toolkit | implausible |
| See impossible. | |