false

Adopted in order to deceive.

Erroneous and usually accidental.

“a false start”

“a false alarm”

Not in accordance with the fact or reality or actuality.

“gave false testimony under oath”

“false tales of bravery”

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”

(used especially of persons) not dependable in devotion or affection; unfaithful.

“a false friend”

Inappropriate to reality or facts.

“false hopes”

Deliberately deceptive.

“false pretenses”

Designed to deceive.

“a suitcase with a false bottom”

In a disloyal and faithless manner.

“his wife played him false”