Definition of HARMFUL

harmful

Adjective

  • Causing damage, injury, or detriment.
  • causing or capable of causing harm
    • "too much sun is harmful to the skin"
    • "harmful effects of smoking"

Adj

  • Causing or likely to cause harm or damage; injurious.

Examples

  • Burning fossil fuels is harmful to the environment.
  • Playing a word that opens up a triple-word score for your opponent is quite harmful.
  • Smoking is harmful to the lungs.
  • Wear a hat to protect your skin from harmful sunlight.

Origin / Etymology

From Middle English harmful, from Old English *hearmful (suggested by hearmfullīċ (“harmful; hurtful”)), equivalent to harm + -ful.
Cognate with German harmvoll, Danish harmfuld, Swedish harmfull.

Scrabble Score: 15

harmful: valid Scrabble (US) TWL Word
harmful: valid Scrabble Word in Merriam-Webster MW Dictionary
harmful: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 17

harmful: valid Words With Friends Word