detrimental
adjectiveNAmE//ˌdɛtrəˈmɛntl//
detrimental (to somebody/something)NAmE//ˌdɛtrəˈmɛntl̩i//
adverbSee detrimental in the Oxford Advanced Learner's DictionaryCheck pronunciation: detrimental
Definition of detrimental adjective from the Oxford Advanced American Dictionary