phlegm has definitions from the fields of biology,psychology
1
[ noun ] (psychology) apathy demonstrated by an absence of emotional reactions

Related terms

apathy

2
[ noun ] calm and unruffled self-assurance

Examples

"he performed with all the coolness of a veteran"

Related terms

calmness

3
[ noun ] inactivity; showing an unusual lack of energy

Related terms

inactiveness

4
[ noun ] (biology) expectorated matter; saliva mixed with discharges from the respiratory passages; in ancient and medieval physiology it was believed to cause sluggishness

Synonyms

sputum

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