Antonyms of adj implausible

2 senses of implausible

Sense 1
implausible (vs. plausible) -- (having a quality that provokes disbelief; "gave the teacher an implausible excuse")

plausible (vs. implausible) -- (apparently reasonable and valid, and truthful; "a plausible excuse")
        => arguable -- (capable of being supported by argument)
        => glib, pat, slick -- (having only superficial plausibility; "glib promises"; "a slick commercial")

Sense 2
farfetched, implausible -- (highly imaginative but unlikely; "a farfetched excuse"; "an implausible explanation")

INDIRECT (VIA unlikely) -> likely -- (has a good chance of being the case or of coming about; "these services are likely to be available to us all before long"; "she is likely to forget"; "a likely place for a restaurant"; "the broken limb is likely to fall"; "rain is likely"; "a likely topic for investigation"; "likely candidates for the job")

Similarity of adj implausible

2 senses of implausible

Sense 1
implausible (vs. plausible) -- (having a quality that provokes disbelief; "gave the teacher an implausible excuse")
       => improbable, unbelievable, unconvincing, unlikely -- (having a probability too low to inspire belief)
          Also See-> incredible#1, unbelievable#1

Sense 2
farfetched, implausible -- (highly imaginative but unlikely; "a farfetched excuse"; "an implausible explanation")
       => unlikely (vs. likely) -- (has little chance of being the case or coming about; "an unlikely story"; "an unlikely candidate for reelection"; "a butcher is unlikely to preach vegetarianism")

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