false: Meaning and Definition of

false

1. not true or correct; erroneous: a false statement.
2. uttering or declaring what is untrue: a false witness.
3. not faithful or loyal; treacherous: a false friend.
4. tending to deceive or mislead; deceptive: a false impression.
5. not genuine; counterfeit.
6. based on mistaken, erroneous, or inconsistent impressions, ideas, or facts: false pride.
7. used as a substitute or supplement, esp. temporarily: false supports for a bridge.
8. having a superficial resemblance to something that properly bears the name: the false acacia.
9. not properly, accurately, or honestly made, done, or adjusted: a false balance.
10. inaccurate in pitch, as a musical note.

1. dishonestly; faithlessly; treacherously: Did he speak false against me?
2. to betray someone; be treacherous or faithless.