Find Antonyms

thickness Antonyms

Opposite of thickness

Because the opposite of thickness shifts with each meaning, the antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
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• noun (Context 1)

The distance between opposite surfaces of a three-dimensional object, typically the smallest of its three dimensions (as opposed to length or width).

Usage Example

"The carpenter measured the thinness of the oak plank before cutting it to fit the frame."

Strongest
thinness
Strong
slenderness
narrowness

• noun (Context 2)

The quality or state of being dense, closely packed, viscous, or semi-solid.

Usage Example

"Adding cornstarch and simmering the sauce for ten minutes will increase its thinness."

Strongest
thinness
Strong
fluidity
runniness
sparseness

Similar words to thickness

Words similar to thickness shift depending on context. Common synonyms include:

layer
viscosity
density
ply
depth
consistency
stratum
width
See all synonyms of thickness

• Nearby Words

thickie
thickish
thickly
thickness
thickset
thicky
thieve

Cite this Entry

Wordmom. (2026). Antonyms for Thickness. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/thickness
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