false

Untrue, not factual, factually incorrect.

Also the rule of false position, with dyuers examples not onely vulgar, but some appertaynyng to the rule of Algeber.

Based on factually incorrect premises.

false legislation, false punishment

Spurious, artificial.

false teeth

At her invitation he outlined for her the succeeding chapters with terse military accuracy; and what she liked best and best understood was avoidance of that false modesty which condescends, turning technicality into pabulum.

Of a state in Boolean logic that indicates a negative result.

Uttering falsehood; dishonest or deceitful.

a false witness

To incorrectly decode noise as if it were a valid signal.

To begin a race before being instructed to do so; to do a false start.

Records have been broken, races have been dedicated, dreams have been dreamed, starts have been falsed and nouns have been verbed.

To violate, to betray (a promise, an agreement, one’s faith, etc.).

And he that could with giftes and promiſes, Inueigle him that lead a thouſand horſe, And make him falſe his faith vnto his King, Will quickly win ſuch as be like himſelfe.

To counterfeit, to forge.

To make false, to corrupt from something true or real.

In a dishonest and disloyal way; falsely.

Sweet Lord, you play me falſe.