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Possibly vs Plausible - What's the difference?

possibly | plausible |

As an adverb possibly

is (modifying a clause or predicate).

As an adjective plausible is

seemingly or apparently valid, likely, or acceptable; credible: a plausible excuse.

possibly

English

Adverb

(en adverb)
  • (modifying a clause or predicate)
  • Possibly , they will make gains in the midterm elections.
    It was possibly the costliest mistake in the organization's history.
    This rare and possibly unique specimen must be conserved.
  • (modifying a verb)
  • I'm much stronger than you, so you can't possibly win.
    I couldn't possibly be there on time.
    I couldn't possibly cheat on my wife.
    It seems unlikely, but, yes, they could possibly win even now.
    The police don't know him, and the information they have leads them to think he could possibly have murdered his wife.

    Synonyms

    * conceivably, maybe, perhaps, potentially

    Antonyms

    * impossibly * inevitably * certainly

    plausible

    English

    Adjective

    (en adjective)
  • Seemingly or apparently valid, likely, or acceptable; credible: a plausible excuse.
  • *
  • In short, the twin assumptions that syntactic rules are category-based, and that there are a highly restricted finite set of categories in any natural language (perhaps no more than a dozen major categories), together with the assumption that the child either knows'' (innately) or ''learns (by experience) that all rules are structure-dependent ( =category-based), provide a highly plausible model of language acquisition, in which languages become learnable in a relatively short, finite period of time (a few years).
  • Obtaining approbation; specifically pleasing; apparently right; specious.
  • a plausible''' pretext; '''plausible''' manners; a '''plausible delusion
  • Using specious arguments or discourse. (rfv-sense)
  • a plausible speaker
  • (obsolete) Worthy of being applauded; praiseworthy; commendable; ready.
  • (Bishop Hacket)

    Derived terms

    * plausibility