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thinner Synonyms

Another word for thinner

Choosing another word for thinner depends on context, so the 13 synonyms and similar words below are separated across 4 exact definitions and ranked by match strength.
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• adjective (Context 1)

Having a smaller distance between opposite surfaces or sides than something else; less thick.

Usage Example

"The baker rolled the pastry dough into a finer sheet before placing it in the pan."

Strong
finer
narrower

• adjective (Context 2)

Having less bodily fat or flesh; leaner or more slender in build.

Usage Example

"He looked noticeably slimmer after completing six months of marathon training."

Strongest
slimmer
leaner
skinnier
Strong
slenderer
slighter

• adjective (Context 3)

Less dense, concentrated, or viscous (especially of a liquid, gas, or crowd).

Usage Example

"Climbers often struggle to breathe at high altitudes where the mountain air becomes much sparser."

Strong
sparser
runnier
waterier

• noun (Context 4)

A volatile liquid solvent, such as turpentine or acetone, added to paint, varnish, or lacquer to reduce its viscosity and make it easier to apply or clean up.

Usage Example

"The artist used a small amount of paint diluent to clean the dried oil pigments from her brushes."

Strongest
diluent
Strong
solvent
turpentine

Opposites of thinner

The opposite of thinner shifts depending on context. Common opposites include:

thicker
fatter
thickener
denser
heavier
plumper
stouter
wider
See all opposites of thinner

Cite this Entry


Wordmom. (2026). Synonyms for Thinner. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/thinner
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