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slender
thin in an attractive way
scrawny
unattractively thin and bony-looking
lanky
very tall and thin, moving awkwardly
gangling/gangly
tall, with long, thin arms and legs and rather awkward
obese
very fat, in an unhealthy way
stout
with a quite large, solid body; used of men and women
stocky
short and with a body that is wide across the shoulders and chest
bulked up
increased in body size, especially by gaining more muscle
lean
thin and healthy
wiry
thin but strong
unkempt
untidy, scruffy (opposite = smart or neat)
never a hair out of place
always well-dressed, neat and smart-looking
immaculate
in a perfect condition, smart
swarthy
dark-coloured, used about skin
sallow
yellowish
haggard
his face looked ill and tired
grinning
giving a big smile
pouting
positioning their lips in an attractive way
pouts
positions her lips in a look of annoyance
grimace
make an expression of pain or strong dislike
scowled
gave a bad-tempered, angry look
leering
looking in an unpleasant, sexually interested way
shrugged his shoulders
lifted his shoulders up and down to show he didn’t know or couldn’t answer
folded his arms
crossed one arm over the other close to his body
crossed his legs
crossed one leg over the other while sitting
twitching
suddenly making small movements
clenched her fist
closed her hand tightly because of anger
tapping/drumming his fingers
made quick, light hitting movements