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Definition of phlegm

phlegm

/flɛm/
phlegm
Adverb:phlegmatically
•
Adjective:phlegmatic
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phlegm Lexical Profile

phlegm Game Scores & Validity

• noun

1

The thick, viscous substance secreted by the mucous membranes of the respiratory passages, especially when produced in excessive quantities during a cold or respiratory infection.

Example

"Drinking warm herbal tea can help soothe a sore throat and loosen stubborn phlegm."

2

Calmness of temperament, self-possession, or sluggish apathy, historically attributed to a predominance of the cold and moist bodily humor.

Example

"The veteran diplomat met the sudden crisis with remarkable British phlegm and composure."

Synonyms
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Antonyms
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• Rhymes for phlegm

• Nearby Words

phisher
phishing
phlebotomist
phlegm
phlegmy
phlomis
phlox

Word Origin & Etymology

Borrowed from Old French 'fleume', via Late Latin from Ancient Greek 'phlegma' (inflammation or clammy humor), derived from 'phlegein' (to burn). In ancient and medieval medicine, it referred to the cold and moist humor believed to cause sluggishness.

Cite this Entry

Wordmom. (2026). Definition of Phlegm. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/phlegm
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