Phlegm is a noun with more than one meaning. It can refer to thick mucusslimy fluid produced inside the body, especially in the nose or lungs from the respiratoryrelating to breathing and the organs involved in it system, or to a calm but sometimes emotionally flat or sluggishslow, inactive, or lacking energy state. The everyday medical sense is the one most people recognize first.
The section above was reviewed by a man
Phlegm Meaning
mucus you cough up from your chest or throat
Part of speech: noun
Definition: thick mucus brought up from the throat or lungs
Example: She was coughing up phlegm all morning.
Synonyms for this meaning:
- sputum — Medical term for mucus from the respiratory tract.
The section above was reviewed by a man
Other Meanings of Phlegm
Meaning 2
not reacting emotionally; emotionally flat
Part of speech: noun
Definition: apathy shown by a lack of emotional reaction
Example: He listened to the bad news with surprising phlegm.
Synonyms for this meaning:
- emotionlessness — Works as a close abstract substitute for this sense.
- impassiveness — A good fit when someone shows no outward emotion.
- impassivity — Close in meaning, though a little more formal.
- indifference — Can overlap, but usually suggests not caring rather than calm emotional flatness.
- stolidity — Possible, but more often means dull or unemotional in a broader sense.
- unemotionality — A direct match for lack of emotion.
Meaning 3
sluggishness or low energy
Part of speech: noun
Definition: inactivity or an unusual lack of energy
Example: After the long winter, she felt a kind of phlegm that made it hard to get moving.
Synonyms for this meaning:
- flatness — Can fit as low energy or dullness, but it is less direct.
- languor — A strong match for weak, slow, low-energy feeling.
- lethargy — A common and accurate synonym for low energy.
- sluggishness — A clear synonym for slow, inactive behavior or feeling.
The section above was reviewed by a man
Phlegm Synonyms
Similar Meaning
- sputum
lack of emotion or emotional reaction
- emotionlessness
- impassiveness
- impassivity
- unemotionality
low energy or inactivity
- languor
- lethargy
- sluggishness
The section above was reviewed by a man
Common Mistakes
- Do not confuse phlegm with flimsy-sounding words about calmness or patience; the noun usually means mucus, emotional flatness, or sluggishness.
- Phlegm is not the same as phlegmatic, which describes a calm or unemotional person.
- In everyday use, phlegm most often means mucus rather than the older figurative senses.
The section above was reviewed by a man
Frequently Asked Questions
What does phlegm mean?
Phlegm usually means thick mucus from the throat or lungs. It can also mean emotional flatness or a state of sluggishness in older or more formal usage.
What is the most common meaning of phlegm?
The most common everyday meaning is mucus that comes from the chest or throat, especially when someone coughs it up.
What are the best synonyms for phlegm?
For the medical sense, the best synonym is sputum. For the figurative senses, good synonyms include emotionlessness, impassiveness, lethargy, and sluggishness, depending on the meaning.
The section above was reviewed by a man