Meaning of “detriment” - Learner’s Dictionary

detriment

noun uk us /ˈdetrɪmənt/
to the detriment of sth

causing damage to something:

He was working very long hours, to the detriment of his health.
detrimental uk us /ˌdetrɪˈmentəl/ adjective

a detrimental effect

(Definition of “detriment” from the Cambridge Learner’s Dictionary © Cambridge University Press)