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English definition of “troublesome”

troublesome

adjective     /ˈtrʌb.l̩.səm/
C2 causing a lot of problems for someone: Her hip has been troublesome for quite a while, and she'll probably need surgery on it. The negotiations have proven more troublesome than any of us expected .Dangerous and harmful
(Definition of troublesome adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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