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detrimental

adjective
 
 
/ˌdet.rɪˈmen.təl/ US  /-t̬əl/ formal

Definition

C2 causing harm or damage: These chemicals have a detrimental effect/impact on the environment. Their decision could be detrimental to the future of the company.Dangerous and harmful
(Definition of detrimental adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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