Definition of Loon

Noun: loon  loon

1. A worthless lazy fellow
    
2. Large somewhat primitive fish-eating diving bird of the northern hemisphere having webbed feet placed far back; related to the grebes
   - diver
    
3. A person with confused ideas; incapable of serious thought
   - addle-head, addlehead, birdbrain

See also:
looms
looney

Anagrams containing the word loon

lono nloo onlo oonl