keep in
Don't let out
To keep in is to hold something inside rather than letting it out.
You might keep in your emotions, keep a dog in the house, or keep in a secret.
Teachers keep students in as detention—making them stay after others leave.
To keep in with someone (British) is to maintain good relations: She keeps in with her neighbors by bringing them vegetables from her garden.
- bottle upSuppress emotions internally
- confineRestrict to boundaries
- stifleSuppress or restrain
- containHold within limits
- curbRaised road margin
retain · internalize · repress · bite your tongue · button up · encase · hold back · lock away · clam up · preserve · hold · enclose · tamp down · control · quarantine · store · cage · harbor