What does FALSE mean?

adjective

1. not in accordance with the fact or reality or actuality“gave false testimony under oath”
2. arising from error“a false assumption”
3. erroneous and usually accidental“a false start”
4. deliberately deceptive“false pretenses”
5. inappropriate to reality or facts“delusive faith in a wonder drug”
6. not genuine or real; being an imitation of the genuine article“it isn't fake anything; it's real synthetic fur”
7. designed to deceive“a suitcase with a false bottom”
8. inaccurate in pitch“a false (or sour) note”