Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun loon

3 senses of loon

Sense 1
loon -- (a worthless lazy fellow)
       => idler, loafer, do-nothing, layabout, bum -- (person who does no work; "a lazy bum")

Sense 2
loon, diver -- (large somewhat primitive fish-eating diving bird of the northern hemisphere having webbed feet placed far back; related to the grebes)
       => gaviiform seabird -- (seabirds of the order Gaviiformes)

Sense 3
addle-head, addlehead, loon, birdbrain -- (a person with confused ideas; incapable of serious thought)
       => misfit -- (someone unable to adapt to their circumstances)