having little depth between opposite surfaces
without much flesh or fat on the body
not dense or closely-packed
thin hair
more rarefied than normal
thin air
few in number
lacking substance or strength
thin soup
a thin plot
flimsy or unconvincing
a thin disguise
somewhat feeble and lacking in resonance
a thin voice
lacking in intensity or brilliance
thin colour
be thin on the ground
to be relatively few in number or uncommon
have a thin time
informal to have an uncomfortable or unpleasant experience
vanish/disappear into thin air
to cease to be visible, present, or existent; to disappear completely
thin adv
thinly adv
thinness noun
thinnish adj
[Old English thynne]