Noun
1. (botany) the failure to develop of some part or organ of a plant
2. the act of withholding or withdrawing some book or writing from publication or circulation;
"a suppression of the newspaper"3. forceful prevention; putting down by power or authority;
"the suppression of heresy""the quelling of the rebellion""the stifling of all dissent"4. (psychology) the conscious exclusion of unacceptable thoughts or desires