constraint Synonyms

violence compulsion restraint necessity self-command prudery self-restraint qualification refrainment rein repression requirement reserve restrainer self-discipline restriction self-control reticence reticency self-abnegation serfdom proviso obligation modesty moderatism moderateness lowliness limitedness limitation limit obligatoriness obstacle protectionism prohibition problem pressure parameter oppression oligarchy obstruction irresistibility servitorship shyness arm-twisting airbrake Akaba Aqaba standoffishness pressure cooker ball and chain