verb
suppress
suh-PRESS/səˈpres/
To prevent an activity from occurring or being expressed.
The woman suppresses the alarm's ringing beneath a thick cushion.

Etymology
The image is of pressing something down or holding it back. Applied to feelings, information, or activity, that physical restraint becomes preventing expression, disclosure, or continuation.
In context
a deliberate effort to suppress the existence of the phone call in the whole Giuliani underground operation to sabotage the u.s. ambassador Jovanovic
More examples
- The company tries to suppress news of the safety problems.
- She suppresses a laugh during the serious discussion.
- This medication suppresses the immune system's response.
Forms
suppress · suppresses · suppressed · suppressing
suppression noun — the act of preventing or restraining something
suppressive adjective — acting to restrain or prevent activity