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Definitions

clot

[klot] / klɒt /
NOUN
blockage, mass of coagulation
Synonyms
STRONGEST
clotting clump lump
STRONG
array batch battery body bulk bunch bundle cluster coagulum coalescence conglutination consolidation curd curdling embolism embolus glob gob group grume occlusion precipitate set thickness thrombus
Antonyms
STRONG
individual one
WEAK
opening
VERB
coagulate
Synonyms
STRONGEST
congeal curdle thicken
STRONG
clabber coalesce gel gelatinize jell jellify jelly lopper lump set solidify
WEAK
gelate glop up
Antonyms
STRONGEST
melt thin
WEAK
loose

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.

A resulting blood clot can completely block blood flow or travel to the heart or brain, triggering a heart attack or stroke.

From Science Daily • Feb. 25, 2026

Sue Howell, from Bilston, died from a pulmonary embolism, a clot in the blood vessel connecting the heart with the lungs.

From BBC • Feb. 12, 2026

Emmy-winning actress Catherine O'Hara, who starred in "Schitt's Creek" and "Home Alone," died from a blood clot in her lungs, her death certificate revealed Monday.

From Barron's • Feb. 9, 2026

Another doctor discovered a significant blood clot running from the middle of her calf, all the way up near her belly.

From Los Angeles Times • Dec. 30, 2025

I found out that it’s not a blood clot at all.

From "Tangerine" by Edward Bloor

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.