Medical Dictionary


adj del·e·te·ri·ous \ˌdel-ə-ˈtir-ē-əs\

Medical Definition of DELETERIOUS

:  harmful often in a subtle or an unexpected way <the deleterious effects of radiation and chemotherapy on the marrow—Christine Gorman> <deleterious genes>


How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears