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English definition of “sign on”

sign on

verb uk phrasal verb with sign   /saɪn/ us  

(NO JOB)

UK informal to sign a form at a government office to say that you do not have a job and that you want to receive benefit (= money paid by the government)Unemployment

(AGREE TO HELP)

mainly US (UK sign up) to agree to become involved in an organized activity: [+ to infinitive] mainly US I've signed on to help at the school fair.Taking part and getting involvedGetting involved for one's own benefit or against others' will UK informal (also sign up) to sign a document saying that you will work for someone or do a particular job or activity: She's signed on with a temp agency. Julie has signed up for courses on English and French this year.Signing and signatures
(Definition of sign on from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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