Deleterious

прилагательное [литературно-книжное] вредный, вредоносный, опасный Синоним(ы): harmful

Большой англо-русский словарь

Deleterious

adjective Etymology: Greek dēlētērios, from dēleisthai to hurt harmful often in a subtle or unexpected way Example: deleterious effects Example: deleterious to health Synonyms: see perniciousdeleteriously adverbdeleteriousness noun

Merriam-Webster's Collegiate Dictionary