thin

Lacking excess flesh.

“you can't be too rich or too thin”

Of relatively small extent from one surface to the opposite or in cross section.

“thin wire”

“a thin chiffon blouse”

(of sound) lacking resonance or volume.

“a thin feeble cry”

Relatively thin in consistency or low in density; not viscous.

“air is thin at high altitudes”

“a thin soup”

Not dense.

“a thin beard”

Lacking substance or significance.

“a thin plot”

Very narrow.

“a thin line across the page”

Lacking spirit or sincere effort.

“a thin smile”

Make thin or thinner.

Take off weight.

Lessen the strength or flavor of a solution or mixture.

Lose thickness; become thin or thinner.

Without viscosity.

“the blood was flowing thin”