The term 'constrain' is used to describe the act of limiting or restricting something. GRIEVE (6 letters) means to feel deep sorrow or distress, while COERCE (6 letters) means to compel someone to do something by force or threat. PROHIBIT (8 letters) means to forbid something, and IMPRISON (8 letters) means to confine someone in a prison or other place. BRIDLE (6 letters) means to restrain or control, and INCARCERATE (11 letters) means to put someone in prison or JAIL. HURT (4 letters) means to cause physical or emotional pain, and DRIVE (5 letters) means to push or urge someone to do something. COMMAND (7 letters) means to give an order, and JAIL (4 letters) means to confine someone in a prison or other place. KEEP (4 letters) means to maintain possession of something, and TIE (3 letters) means to fasten or secure something. CRAMP (5 letters) means to restrict or LIMIT something, and IMPEL (5 letters) means to urge or force someone to do something. LIMIT (5 letters) means to restrict or bound something, keepin (6 letters) means to maintain possession of something, INHIBIT (7 letters) means to restrain or PROHIBIT something, TIGHTEN (7 letters) means to make something tighter, and OBLIGATE (8 letters) means to bind someone legally or morally.