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sideline

noun [C] (JOB)
 
 
/ˈsaɪd.laɪn/

Definition

an activity that you do as well as your main job: Jim works in a bank, but teaches French in the evenings as a sideline.Jobs, careers and professionsWorking
(Definition of sideline noun (JOB) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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