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

• diver

2. (noun) a person with confused ideas; incapable of serious thought

• addle-head
• addlehead
• birdbrain

1. (noun) a worthless lazy fellow

• bum
• do-nothing
• idler
• layabout
• loafer

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

• gaviiform seabird

3. (noun) a person with confused ideas; incapable of serious thought

• misfit

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

• gavia
• genus gavia

1. (noun) a person with confused ideas; incapable of serious thought

• around the bend
• balmy
• barmy
• bats
• batty
• bonkers
• buggy
• cracked
• crackers
• daft
• dotty
• fruity
• haywire
• kookie
• kooky
• loco
• loony
• loopy
• nuts
• nutty
• round the bend
• wacky
• whacky