false

adopted in order to deceive

erroneous and usually accidental

“a false start”

not in accordance with the fact or reality or actuality

“gave false testimony under oath”

inaccurate in pitch

“a false (or sour) note”

not genuine or real; being an imitation of the genuine article

“false teeth”

arising from error

“a false assumption”

not dependable in devotion or affection; unfaithful

“a false friend”

inappropriate to reality or facts

“false hopes”

in a disloyal and faithless manner

“his wife played him false”

deliberately deceptive

“false pretenses”

designed to deceive

“a suitcase with a false bottom”