Definitions
1.AdjectiveUntrue, not factual, factually incorrect.
2.AdjectiveBased on factually incorrect premises."false legislation, false punishment"
3.AdjectiveSpurious, artificial."false teeth"
4.AdjectiveOf a state in Boolean logic that indicates a negative result.
5.AdjectiveUttering falsehood; dishonest or deceitful."a false witness"
6.AdjectiveNot faithful or loyal, as to obligations, allegiance, vows, etc.; untrue; treacherous."a false friend, lover, or subject; false to promises"
7.AdjectiveNot well founded; not firm or trustworthy; erroneous."a false conclusion; a false construction in grammar"
8.AdjectiveNot essential or permanent, as parts of a structure which are temporary or supplemental.
9.AdjectiveUsed in the vernacular name of a species (or group of species) together with the name of another species to which it is similar in appearance."false scorpion (an arachnid); false killer whale (a dolphin); false powderpost beetles (members of Bostrichidae not in Lyctinae)"
10.AdjectiveOut of tune.
11.VerbTo incorrectly decode noise as if it were a valid signal.
12.VerbTo begin a race before being instructed to do so; to do a false start.
13.VerbTo violate, to betray (a promise, an agreement, one’s faith, etc.).
14.VerbTo counterfeit, to forge.
15.VerbTo make false, to corrupt from something true or real.
16.AdverbIn a dishonest and disloyal way; falsely.
17.NounOne of two options on a true-or-false test, that not representing true."The student received a failing grade for circling every true and false on her quiz."