i Register
In some senses, slouch is marked as dated. Watch for register when choosing this word.
noun
A hanging down of the head; a drooping posture; a limp appearance
He sat with an unenthusiastic slouch.
Any depression or hanging down, as of a hat brim.
The plant hung in a permanent slouch.
Someone who is slow to act.
In any case, Scotland has been no slouch at national invention. The Greek temple to commemorate James Thomson wasn’t the only monument raised by the 11th Earl of Buchan, who was a friend and neighbour of Walter Scott, and as great a romancer in his obsession with ruins, battlements and fancy dress.
An awkward, heavy, clownish fellow.
verb
To hang or droop; to adopt a limp posture
Do not slouch when playing a flute.
To walk in a clumsy, lazy manner.
I slouched to the fridge to see if there was anything to eat.
To cause to hang down or droop; to depress.
[…] then he slouched his head down on the table and pretended to sleep.
Disappointment slouched him into the pew.