det·ri·men·tal 
/ˌdɛtrəˈmɛntl̟/ adjective
/ˌdɛtrəˈmɛntl̟/ adjective [more detrimental; most detrimental] formal : causing damage or injury
▪ The detrimental [=harmful] effects of overeating are well known. — often + to ▪ She argues that watching too much TV is detrimental to a child's intellectual and social development.
▪ The detrimental [=harmful] effects of overeating are well known. — often + to ▪ She argues that watching too much TV is detrimental to a child's intellectual and social development.
— det·ri·men·tal·ly adverb
