Definition of 'work up'

Verb

1. form or accumulate steadily; "Resistance to the manager's plan built up quickly"; "Pressure is building up at the Indian-Pakistani border"
      Synonyms: build up build progress
2. develop; "we worked up an as of an appetite"
      Synonyms: get up
3. bolster or strengthen; "We worked up courage"; "build up confidence"; "ramp up security in the airports"
      Synonyms: build up build ramp up
4. come up with; "His colleagues worked out his interesting idea"; "We worked up an ad for our client"
      Synonyms: work out

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