English Reference
adjective

plausible

adj.
US /ˈpɫɔzəbəɫ/ UK /plˈɔːzəbəl/ plau·si·ble

  1. 01 B2 Upper Intermediate

    describing an explanation or story that sounds like it could be true.

    seemingly or apparently valid, likely, or acceptable; conceivably true.

    Simple

    The police thought his story was plausible because it matched the security footage.

    In context

    While the theory is certainly plausible, the research team requires more empirical data before they can confirm the results with absolute certainty.

  2. 02 C1 Advanced Formal

    describing someone who speaks well and sounds honest, but might be trying to trick you.

    superficially pleasing or persuasive; often used to describe a person or argument that sounds right but lacks depth or honesty.

    Simple

    He was a plausible salesman, but I still didn't trust his promises.

    In context

    The candidate offered a plausible defense of his actions, yet critics remained wary of his tendency to omit crucial details from the narrative.

    glibspecioussmooth talking
  3. 03 C2 Proficiency Archaic

    describing something that deserves to be clapped for or praised.

    worthy of being applauded or commended; ready for approval.

    Simple

    The young scholar's efforts were deemed plausible by the elders of the village.

    In context

    In the seventeenth-century text, the author describes the general's conduct as plausible, meaning it was deserving of public praise.

    commendablepraiseworthy

Usage experience plausible · plausible explanation

What this research shows is that there is a plausible signal worth taking seriously, but not yet enough direct human evidence to draw a firm conclusion.

The Conversation· 4 Aug 2026

From Latin plausibilis (“deserving applause, praiseworthy, acceptable, pleasing”), from the participle stem of plaudere (“to applaud”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin plausibilis
Level B2 · Upper Intermediate
Frequency Frequent
Updated