Definition of self-control noun from the Oxford Advanced Learner's Dictionary

 

self-control

 noun
noun
BrE BrE//ˌself kənˈtrəʊl//
 
; NAmE NAmE//ˌself kənˈtroʊl//
 
[uncountable]
 
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the ability to remain calm and not show your emotions even though you are feeling angry, excited, etc. to lose/regain your self-control It took all his self-control not to shout at them.Extra examples She struggled to keep her self-control. You should try exercising a little self-control! a person exercising ordinary powers of self-control He suddenly lost all self-control and started shouting and swearing.
See the Oxford Advanced American Dictionary entry: self-control