implausible
[adjective]
Synonyms: flimsy, improbable, inconceivable, incredible, thick, thin, unbelievable, unconceivable, unconvincing, unsubstantial, weak

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Antonyms: plausible
Contrasted words: meaty, pithy, solid, sound, substantial, believable, conceivable, credible, likely, probable
Related Idioms: a bit thick
Related Words: doubtful, dubious, fishy, problematic, puzzling, suspect

[TahlilGaran] English Synonym Dictionary ▲

im‧plau‧si‧ble /ɪmˈplɔːzəbəl, ɪmˈplɔːzɪbəl $ -ˈplɒː-/ adjective
difficult to believe and therefore unlikely to be true Antonym : plausible
implausible theory/idea/explanation etc
Margaret found his excuse somewhat implausible.
It’s not entirely implausible that a galaxy could be identical to our own.
—implausibly adverb
—implausibility /ɪmˌplɔːzəˈbɪləti, ɪmˌplɔːzɪˈbɪləti $ -ˌplɒː-/ noun [uncountable]

[TahlilGaran] Dictionary of Contemporary English ▲

implausible
adj.
VERBS be, seem, sound | consider sth, deem sth These results might be considered implausible.
ADV. highly | quite, totally, wholly This idea is totally implausible.
increasingly He gave a series of increasingly implausible excuses.
not altogether, not entirely | pretty, rather, somewhat | inherently

[TahlilGaran] Collocations Dictionary ▲