Suppress

1. To overpower and crush; to subdue; to put down; to quell.
2. To retain without disclosure; to conceal; not to reveal; to prevent publication of; as, to suppress evidence; to suppress a pamphlet; to suppress the truth.
3. To stop; to restrain; to arrest the discharges of; as, to suppress a diarrhea, or a hemorrhage.
4. To keep in; to restrain from utterance or vent; as, to suppress the voice; to suppress a smile.