Definition of "suppress"

To put an end to, especially with force, to crush, do away with; to prohibit, subdue.  examples

To restrain or repress, such as laughter or an expression.  examples

(psychiatry) To exclude undesirable thoughts from one's mind.  examples

To prevent publication.  examples

To stop a flow or stream.  examples

(US, law) To forbid the use of evidence at trial because it is improper or was improperly obtained.  examples

(electronics) To reduce unwanted frequencies in a signal.  examples

(military) To stop or prevent the enemy from executing unwanted activities like firing, regrouping, observation or others.

(obsolete) To hold in place, to keep low.