del·e·te·ri·ous 
(dĕl′ĭ-tîrē-əs)
(dĕl′ĭ-tîrē-əs)adj.
Having a harmful effect; injurious: the deleterious effects of smoking.
[From Greek dēlētērios, from dēlētēr, destroyer, from dēleisthai, to harm.]
del′e·teri·ous·ly adv.
del′e·teri·ous·ness n.
- magnetoresistive
- magnetorheology
- magnetosphere
- magnetospheric
- magnetostriction
- magnetostrictive
- magnetotactic
- magnetotail
- magnetotaxis
- magnetron
- magnet school
- magnet therapy
- magnific
- magnifical
- magnifically
- Magnificat
- magnification
- magnificence
- magnificent
- magnificently
- magnifico
- magnifier
- magnify
- magnifying glass
- magniloquence