Definition of "straighten up" in Anglais

Verb

1. To become straight, or straighter.

2. To steer straight.

3. To sit up straight, to stop hunching.

4. To deal with; to put in order.

5. To tidy; to tidy up.

6. To clarify.

7. To start living a reformed life; to adopt a more honest and respectable course of behavior.