old sweat
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
An experienced soldier.
Register: slang
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 2
Meaning · English
A veteran soldier or war veteran.
Register: slang
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 3
Meaning · English
Someone experienced in his or her field.
Register: slang
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “old sweat” mean?
An experienced soldier.
Is “old sweat” formal or informal?
old sweat is generally slang.