air
out of thin air

dissolve
to dissolve into thin air

ice
to get on to thin ice

lath
as thin as a lath

lipped
thin-lipped

paper-thin
to cut something into paper-thin slices

resolve
the ghost resolved into thin air

skate
to skate over thin ice

skin
to have a thin skin

slice
.../ a thin slice of meat

spread
to spread it thin

stand by
...thick and thin

thick
through thick and thin

thin
thin board

thin down
to thin down a sauce

thin out
escassear

thin-skinned
de casca fina

vanish
to vanish into thin air

wedge
the thin end of a wedge