1. (noun)enlistment, hitch, term of enlistment, tour of duty, duty tour, tour a period of time spent in military service Synonyms: go, enlistment, preventative, snag, duty tour, stay, preventive, limp, hitch, tour, interference, circuit, stoppage, check, tour of duty, incumbrance, hobble, hinderance, halt, encumbrance, hang-up, hindrance, term of enlistment, spell, stop, arrest, turn, rub