just a minute /ˈdʒʌst ə ˌmɪnɪt/exclamation 1noun 1 exclamation1 •Stop; wait; hold on. Used to interrupt speech or proceedings so that one can make a comment or query.Miss Girzie at these words started up, and said, "Sir, sir, just a minute." "I can hear no more," cried I; "it is plain you intend to make a bargain with my friend... — 1827 noun1 •A short period of time, typically anywhere from several seconds to several minutes or more.The hero of the turf accepted this bet, and on the day appointed, just a minute before starting, qualified his stallion to run for the purse. — 1807