If something is false, it means it is not real. A falsehood is anything said that is not true. A falsehood can also be a series of lies, told to prove something that is false itself. In logic, false is one of the truth values (with the other one being 'true'). This is written as , F or 0. [1][2] Comprehensive List of Logic Symbols. A statement that entails false itself is sometimes called a contradiction, and contradictions and false are sometimes not distinguished, especially due to the Latin term falsum being used in English to denote either, but false is one specific proposition. From Middle English false, fals, from Old English fals (“false; counterfeit; fraudulent; wrong; mistaken”), from Latin falsus (“counterfeit, false; falsehood”), perfect passive participle of fallō (“deceive”). FALSE meaning: 1. not true or correct: 2. not real, but made to look or seem real: 3. not sincere or expressing…. Learn more. The meaning of FALSE is not genuine. How to use false in a sentence. Synonym Discussion of False. In a treacherous or faithless manner: play a person false. [Middle English fals, from Old English, counterfeit, and from Old French, false, both from Latin falsus, from past participle of fallere, to deceive.] FALSE definition: not true or correct; erroneous. See examples of false used in a sentence. Some common synonyms of false are disloyal, faithless, perfidious, traitorous, and treacherous. While all these words mean untrue to what should command one's fidelity or allegiance, false stresses the fact of failing to be true in any manner ranging from fickleness to cold treachery. Something that's false is wrong or untrue. If you spread false rumors about a friend, you're telling lies. When you read a fact in a textbook that you know is mistaken, you can describe it as false. FALSE definition: 1. not real, but made to look or seem real: 2. not true, but made to seem true in order to deceive…. Learn more.