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English definition of “start”

start

verb [I or T] (WORK)    /stɑːt/ US  /stɑːrt/ (also start up)
B2 to ( cause to) begin to work or operate : I'm having trouble starting the car . The engine won't start.FunctioningPerforming a function Grammar:Begin or start?We can use the verbs begin and start to mean the same thing but begin is more formal than start. Begin is an irregular verb. Its past simple form is began and its -ed form is begun:
(Definition of start verb (WORK) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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