Question 1

What does "work up" mean?

Accepted Answer

To generate a physical condition (such as a sweat or appetite) through sustained activity.

Question 2

How do you use "work up" in a sentence?

Accepted Answer

We worked up quite an appetite hiking through the mountains all morning.

Question 3

Is "work up" formal or informal?

Accepted Answer

"work up" is register-neutral — appropriate in both casual and formal contexts. Has several common uses: generating physical states ('work up a sweat', 'work up an appetite'), creating emotional states ('work yourself up'), and developing something from basic material ('work up a sketch into a full design'). Often used with 'get worked up' meaning to become anxious or agitated.

work up

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