Pep
Definition 1 of 2

Use in motivational contexts
The word is often used in pep talks to inspire people

Example: The speaker used lots of pep to energize the audience.
Casual Usage
In informal settings, ‘pep’ can describe a person's lively demeanor

Example: She has a lot of pep and always brightens up the room.
Negative Connotation
Avoid using ‘pep’ in contexts of fatigue or disinterest

Example: Saying someone lacks pep implies they are unmotivated or sluggish.
Compare with
vigourenthusiasmenergyspunkzest
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