harmful Meaning, Definition & Usage

  1. adjective causing or capable of causing harm
    • too much sun is harmful to the skin
    • harmful effects of smoking

WordNet


Harm"ful adjective
Definitions
  1. Full of harm; injurious; hurtful; mischievous. " Most harmful hazards." Strype. --Harm"ful*ly, adv. -- Harm"ful*ness, n.

Webster 1913