HONESTY definition: 1. the quality of being honest : 2. used for telling someone that what you are saying is true and…. Learn more. Shop The Honest Company for innovative formulas and designs on beauty, baby, cleaning products, and more. Plus get your Honest products delivered to your home! Find the meaning, usage, and translations of the adjective honest , which means not deceptive, sincere, or virtuous. Compare honest with related words such as frank, trustworthy, and genuine. honest (comparative more honest or (nonstandard) honester, superlative most honest or (nonstandard) honestest) (of a person or institution) Scrupulous with regard to telling the truth; not given to swindling, lying, or fraud; upright. quotations brutally honest We’re the most honest people you will ever come across.