rein

1 usually reins pl  the place of leadership or command after the president resigned, the vice president stepped in and took the reins of the company Synonyms of rein chair, driver's seat, headship, helm, head(s)Words Related to rein chieftainship, commandership, directorship; forefront, lead, vanguard; captainship, chairmanship, deanship, dictatorship, generalship, governorship, kingship, mastership, mastery, premiership, presidency, presidentship, superintendency; dominance, dominion, jurisdiction, sovereignty (also sovranty), sway, upper hand; eminence, height, pedestal, pinnacle, seat, throne, topNear Antonyms of rein ranks

2 the act or practice of keeping something (as an activity) within certain boundaries the oversight committee called on the state to keep a much tighter rein on the activities of its contractors Synonyms of rein circumscription, confinement, limitation, restriction, stintWords Related to rein constraint, restraint; containment, isolation, segregation

3 usually reins pl  the right or means to command or control others a peaceful transfer of the reins of government has always been a hallmark of our nation Synonyms of rein arm, authority, clutch, command, control, death grip, dominion, grip, hold, mastery, reign, power(s), swayWords Related to rein clout, influence, leverage, pull, voice, weight; jurisdiction; direction, management; dominance, imperium, predominance, sovereignty (also sovranty), supremacy; prerogative, privilege, right; eminence, importance, momentNear Antonyms of rein helplessness, weaknessAntonyms of rein impotence, impotency, powerlessness