Pronunciation change

Noun change

Singular
perk

Plural
perks

  1. (countable) A perk is an extra bonus or gift
    My new job does not have as many perks, like paid vacations.
    One perk of riding my bike to work is that I can spend more time outside.

Verb change

Plain form
perk

Third-person singular
perks

Past tense
perked

Past participle
perked

Present participle
perking

  1. If someone perks up, they become more cheerful, awake, or attentive.
    The sleepy student perked up when the teacher began giving hints for tomorrow's test.