What is the meaning of Suppress?

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

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

To exclude undesirable thoughts from one's mind.

To prevent publication.

To stop a flow or stream.

To forbid the use of evidence at trial because it is improper or was improperly obtained.

To reduce unwanted frequencies in a signal.

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

To hold in place, to keep low.

Source: wiktionary.org