Definitions
1.nounOne of two options on a true-or-false test."The student received a failing grade for circling every true and false on her quiz."
2.adjectiveUntrue, not factual, factually incorrect.
3.adjectiveBased on factually incorrect premises."false legislation, false punishment"
4.adjectiveSpurious, artificial."false teeth"
5.adjectiveOf a state in Boolean logic that indicates a negative result.
6.adjectiveUttering falsehood; dishonest or deceitful."a false witness"
7.adjectiveNot faithful or loyal, as to obligations, allegiance, vows, etc.; untrue; treacherous."a false friend, lover, or subject; false to promises"
8.adjectiveNot well founded; not firm or trustworthy; erroneous."a false conclusion; a false construction in grammar"
9.adjectiveNot essential or permanent, as parts of a structure which are temporary or supplemental.
10.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 killer whale (a dolphin)"
11.adjectiveOut of tune.
12.adverbIn a dishonest and disloyal way; falsely.