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The box was covered with a thin layer of dust.
There’s a thin crack in the glass.
Cut the cucumbers and tomatoes into thin slices.
Charles was thin and very tall.
She has been ill and is much too thin.
a thin moustache
The climbers seem to have disappeared into thin air.
He’s on thin ice with those accusations.
I can’t just make money appear out of thin air.
This is the British English definition of thin. View American English definition of thin.