v. To put an end to forcibly; subdue.v. To curtail or prohibit the activities of.v. To keep from being revealed, published, or circulated.v. To deliberately exclude (unacceptable desires or thoughts) from the mind.v. To inhibit the expression of (an impulse, for example); check: suppress a smile. v. To reduce the incidence or severity of (a hemorrhage or cough, for example); arrest.