Definition of HONESTY in the Definitions.net dictionary. Meaning of HONESTY . What does HONESTY mean? Information and translations of HONESTY in the most comprehensive dictionary definitions resource on the web. Honesty definition: the quality or fact of being honest; uprightness and fairness.. See examples of HONESTY used in a sentence. Master the word " HONESTY " in English: definitions, translations, synonyms, pronunciations, examples, and grammar insights - all in one complete resource. HONESTY definition: 1. the quality of being honest: 2. used for telling someone that what you are saying is true and…. Learn more.