Search Result for "harmful": 
Wordnet 3.0

ADJECTIVE (1)

1. causing or capable of causing harm;
- Example: "too much sun is harmful to the skin"
- Example: "harmful effects of smoking"



The Collaborative International Dictionary of English v.0.48:

Harmful \Harm"ful\ (h[aum]rm"f[.u]l), a.
   Full of harm; injurious; hurtful; mischievous. " Most harmful
   hazards." --Strype. --Harm"ful*ly, adv. -- Harm"ful*ness,
   n.
   [1913 Webster]


WordNet (r) 3.0 (2006):

harmful
    adj 1: causing or capable of causing harm; "too much sun is
           harmful to the skin"; "harmful effects of smoking" [ant:
           harmless]