slouch

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To sit, stand, or walk with an awkward, drooping, excessively relaxed posture.
2. v. To droop or hang carelessly, as a hat.
3. v. To cause to droop; stoop.
4. n. An awkward, drooping, excessively relaxed posture or gait.
5. n. Slang An awkward, lazy, or inept person: good at chess and no slouch at bridge, either.

Century Dictionary and Cyclopedia

1. To droop; hang down loosely.
2. To have a clownish or loose ungainly gait, manner, or attitude; walk, sit, or pose in an awkward or loutish way.
3. To depress; cause to hang down.
4. n. An awkward, heavy, clownish fellow; an ungainly clown.
5. n. A drooping or depression of the head or of some other part of the body; a stoop; an ungainly, clownish gait.
6. n. A depression or hanging down; a droop: as, his hat had a slouch over his eyes.
7. n. A slouch-hat.
8. n. An inefficient or useless person or thing: usually with a negative, in praise: as, he's no slouch; it's no slouch, I tell you.

Wiktionary

1. n. A hanging down of the head; a drooping posture; a limp appearance
2. n. any depression or hanging down, as of a hat brim.
3. n. An awkward, heavy, clownish fellow.
4. v. to hang or droop; to adopt a limp posture

GNU Webster's 1913

1. n. A hanging down of the head; a drooping attitude; a limp appearance; an ungainly, clownish gait; a sidewise depression or hanging down, as of a hat brim.
2. n. colloq. An awkward, heavy, clownish fellow.
3. v. To droop, as the head.
4. v. colloq. To walk in a clumsy, lazy manner.
5. v. To cause to hang down; to depress at the side.

WordNet 3.0

1. n. an incompetent person; usually used in negative constructions
2. v. walk slovenly
3. v. assume a drooping posture or carriage
4. n. a stooping carriage in standing and walking