1. The act of suppressing, or the state of being suppressed; repression; as, the suppression of a riot, insurrection, or tumult; the suppression of truth, of reports, of evidence, and the like.
2. (Science: medicine) Complete stoppage of a natural secretion or excretion; as, suppression of urine; used in contradiction to retention, which signifies that the secretion or excretion is retained without expulsion.
3. Omission; as, the suppression of a word.
Synonym: Overthrow, destruction, concealment, repression, detention, retention, obstruction.
Origin: L. Suppressio: cf. F. Suppression.
(psychology) the conscious exclusion of unacceptable thoughts or desires.