Added 10 October 2026 credibleness noun Categories: Describing WordsObscure Words noun ! Definition from Wiktionary (CC BY-SA). More about credibleness at Wordnik → Where our words come from → The state or quality of being credible. Related Words: credibilitybelievabilitycreditablenesscreditabilitybelievablenessplausibilitycredfaithtrustabilitycredulitivenessreputablenesstrustworthiness Back to today's word