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English definition of “come on”

come on

phrasal verb with come
 
 
/kʌm/ verb (past tense came, past participle come)
START to start to happen or work: The heating comes on at six in the morning. I think I have a cold coming on.Starting and beginningStarting again
MAKE PROGRESS to make progress: How's your new novel coming on?Making progress and advancingBecoming better
Come on! informal B1 used to encourage someone to do something, to hurry, to try harder, etc: Come on! We're going to be late.Encouraging and urging onInspiration and inspiring
DISAGREEMENT used to tell someone that you do not agree with them, do not believe them, etc: Come on Bob! You made the same excuse last week.Arguing and disagreeing
(Definition of come on from the Cambridge Learners Dictionary © Cambridge University Press)
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