suppression -- (the failure to develop some part or organ)
suppression, curtailment -- (the act of withholding or withdrawing some book or writing from publication or circulation; "a suppression of the newspaper")
suppression, crushing, quelling, stifling -- (forceful prevention; putting down by power or authority; "the suppression of heresy"; "the quelling of the rebellion"; "the stifling of all dissent")
inhibition, suppression -- ((psychology) the conscious exclusion of unacceptable thoughts or desires)