1. Harmful to living things
   "deleterious chemical additives"
   - hurtful, injurious

See also: harmful

Encyclopedia: Deleterious

• traditional
• traditional knowledge
• traditionalism
• mounted
• mounter
• Mountie
• Mounties
• mounting
• mourn
• mourner
• mournful
• mournful widow
• mournfully
• mournfulness
• mourning
• mourning band
• mourning cloak
• mourning cloak butterfly
• mourning dove
• mourning ring
• mouse
• mouse button
• mouse click
• mouse deer
• mouse ear