transcription, транскрипция: [ ˌde-lə-ˈti-rē-əs ]
adjective
Etymology: Greek dēlētērios, from dēleisthai to hurt
Date: 1643
: harmful often in a subtle or unexpected way
deleterious effects
deleterious to health
Synonyms: see pernicious
• del·e·te·ri·ous·ly adverb
• del·e·te·ri·ous·ness noun