loon has definitions from the fields of zoology,work,sociology
1
[ noun ] (work) a worthless lazy fellow

Related terms

idler

2
[ noun ] (zoology) large somewhat primitive fish-eating diving bird of the northern hemisphere having webbed feet placed far back; related to the grebes

Synonyms

diver

Used in print

(James Thurber, "The Future, If Any, of Comedy,"...)

The Zeitgeist is not crazy as a loon or mad as a March hare ; it is manic as a man '' .

Related terms

gaviiform_seabird Gavia

3
[ noun ] (sociology) a person with confused ideas; incapable of serious thought

Related terms

misfit

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