Definition of then

• that time; that moment; "we will arrive before then"; "we were friends from then on"
• subsequently or soon afterward (often used as sentence connectors); "then he left"; "go left first, then right"; "first came lightning, then thunder"; "we watched the late movie and then went to bed"; "and so home and to bed"
• in that case or as a consequence; "if he didnt take it, then who did?"; "keep it then if you want to"; "the case, then, is closed"; "youve made up your mind then?"; "then youll be rich"