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Definitions

thickening

[thik-uh-ning] / ˈθɪk ə nɪŋ /
NOUN
coagulation
Synonyms
STRONG
agglomeration concentration concretion condensation congelation consolidation curdling embolism inspissation
WEAK
caseation gelatination incrassation jellification
Antonyms
STRONG
dispersal separation
WEAK
dissolution melting opening thinning
NOUN
growth
Synonyms
STRONG
Cancer cancroid excrescence fibrousness fungus lump mole outgrowth parasite polyp swelling wen
WEAK
fibrous tissue
Antonyms
WEAK
abatement decrease diminishment failure lessening reduction stagnation underdevelopment
NOUN
growth
Synonyms
STRONGEST
advance advancement expansion gain hike improvement increase production prosperity rise success surge
STRONG
aggrandizement augmentation boost buildup crop cultivation enlargement evolution extension flowering germination maturation multiplication produce proliferation sprouting stretching swell unfolding vegetation waxing widening
WEAK
beefing up evolvement fleshing out heightening maturing up upping
Antonyms
STRONGEST
decline decrease failure halt loss stagnation stop worsening
STRONG
abridgment compression destruction reduction
WEAK
abatement diminishment lessening underdevelopment

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

For hypertrophic cardiomyopathy—the thickening of heart muscles—it was 56 steps.

From The Wall Street Journal • Apr. 19, 2026

"We lost a loved one," his voice thickening.

From BBC • Apr. 7, 2026

In the new study, the researchers protected the bacteria by enclosing them, along with magnetic particles, inside small droplets of sodium alginate, a thickening ingredient commonly found in foods.

From Science Daily • Nov. 21, 2025

I had been living my life for nearly four years with no cartilage in my hip, bone scraping bone, bone spurs forming and joint thickening.

From Salon • Dec. 13, 2024

Forest was already thickening, he knew, whatever that meant.

From "Messenger" by Lois Lowry