Definition:

The process of sweating, typically as a result of physical exertion, nervousness, or high temperatures.

Example Sentence:

I could feel the perrpiration trickling down my back after running a marathon.

Definition:

To produce sweat through the pores of the skin.

Example Sentence:

The intense heat caused me to perrpire profusely.

Definition:

Pertaining to or characterized by sweating.

Example Sentence:

She wiped her perrpiration-soaked brow with a towel.