False | Mean of false in English Dictionary

/ˈfɑːls/

• not real or genuine
1. false documents
2. false teeth/hair/eyelashes
3. a trunk with a false bottom
• not true or accurate
1. Indicate whether each of the following statements is true or false.
• deliberately untrue
1. false testimony
2. false accusations/statements
3. a false promise
4. false advertising
5. He registered at the hotel under a false name.
6. The loan was obtained on/under false pretenses. [=by pretending that a certain condition or circumstance was true]

• based on mistaken ideas
1. Your conclusion is based on false [=incorrect] assumptions.
2. false confidence/pride
3. false expectations/hopes
4. The dog gave her a false sense of security. [=made her feel safe when she was not really safe]
• not faithful or loyal
1. a false friend
• not sincere
1. false modesty
2. false sympathy
• sudden or deceptive in a threatening way
1. The police warned him not to make any false moves/movements. [=movements that are not expected and that may be threatening or dangerous]