/ slaʊtʃ; NAmE / verb , noun
■ verb
[ v , usually + adv. / prep. ] to stand, sit or move in a lazy way, often with your shoulders and head bent forward :
Sit up straight. Don't slouch.
■ noun
[ usually sing. ] a way of standing or sitting in which your shoulders are not straight, so that you look tired or lazy
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IDIOMS
- be no slouch
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WORD ORIGIN
early 16th cent. (in the sense lazy, slovenly person ): of unknown origin. Slouching was used to mean hanging down, drooping (specifically describing a hat with a brim hanging over the face), and having an awkward posture from the 17th cent.