Meaning of “suppress” - Learner’s Dictionary

suppress

verb [ T ] uk us /səˈpres/
FEELINGS

to control feelings so that they do not show:

I could barely suppress my anger.
INFORMATION

to prevent information from being known:

to suppress evidence/news
FIGHT

to stop someone or something by using force:

suppression uk us /səˈpreʃən/ noun [ U ]

(Definition of “suppress” from the Cambridge Learner’s Dictionary © Cambridge University Press)