Find Antonyms

thicken Antonyms

Opposite of thicken

Because the opposite of thicken shifts with each meaning, the 9 antonyms and opposite words below are separated across 3 exact definitions and ranked by contrast strength.
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• verb (Context 1)

To make or become denser, firmer, or more viscous (especially of a liquid, sauce, or mixture).

Usage Example

"Simmer the gravy gently for ten minutes until it begins to thin."

Strongest
thin
dilute
Strong
water down
liquefy

• verb (Context 2)

To make or become wider, deeper, or more closely packed in growth or visibility (such as fog, foliage, or walls).

Usage Example

"As the evening wore on, the coastal fog began to thin across the harbor."

Strongest
thin
Strong
clear
dissipate
narrow

• verb (Context 3)

To become more intricate, complex, or suspenseful (especially of a plot, mystery, or situation).

Usage Example

"With the discovery of the hidden letter, the plot began to unravel."

Strong
unravel
simplify

Similar words to thicken

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

deepen
congeal
coagulate
jell
intensify
clot
condense
widen
See all synonyms of thicken

• Nearby Words

thermostatically
thesis
thick
thicken
thickener
thickening
thicket

Cite this Entry

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