1 windup /ˈwaɪndˌʌp/ noun
1 windup
Learner's definition of WINDUP
: the things that are done at the end of something (such as an event or process) : the final part of something
baseball : the movements that a pitcher makes before the ball is thrown
wind-up British, informal : something done or said in usually a joking way to make someone annoyed or upset
see also wind up at 2wind
2 windup /ˈwaɪndˌʌp/ adjective
2 windup
Learner's definition of WINDUP
always used before a noun
: having a motor that is given power when someone turns a handle