VERBS

be, feel, look, seem
become, wear
The fabric was wearing thin
(figurative)
That joke is wearing a little thin

ADV

extremely, incredibly, very, wafer-
a plate of wafer-thin bread and butter
a bit, fairly, a little, quite, rather, relatively
enough
a sliver of rock thin enough to be translucent

VERBS

be, look
become, get, grow

ADV

extremely, painfully, pathetically, pitifully, terribly, very
The old horse was painfully thin
fairly, quite, rather
She's tall and quite thin

VERBS

be, look, seem
The paint looks a bit thin
become, get
Be careful that the mixture doesn't get too thin

ADV

terribly, very
a bit, rather