- 1(of an excuse or explanation) reasonable and likely to be true Her story sounded perfectly plausible. The only plausible explanation is that he forgot. opposite implausible
- 2(disapproving) (of a person) good at sounding honest and sincere, especially when trying to trick people She was a plausible liar.
plausibilityjump to other results
NAmE//ˌplɔzəˈbɪlət̮i//noun [uncountable] This new evidence lends plausibility to the theory that she was murdered.
plausiblyjump to other results
NAmE//ˈplɔzəbli//adverb He argued very plausibly that the claims were true.