To develop, as of an appetite; SYN. get up.
When you gradually develop the energy, confidence, courage, and so on, to do something difficult or something you do not want to do, you work up the energy, confidence, courage, and so on. When you gradually develop a feeling, you work up the feeling.
work-to-rule · work towards · work underground · work unit · workup · work up · work up an appetite · work up a sweat · work upon · workweek · workwise
work underground · work unit · workup · work up · work up an appetite · work up a sweat · work upon · workweek · workwise · work with · work without disruptions
work towards · work underground · work unit · workup · work up · work up an appetite · work up a sweat · work upon · workweek · workwise · work with
When you gradually improve at something difficult that you do regularly, you work up to that improvement.
hang up on · hang ... up · hook ... up · hooked up · hook up with · work up to · kick back to · kickback · lay ... off · lay off · screw ... up
To have effect upon; operate on; influence
work unit · workup · work up · work up an appetite · work up a sweat · work upon · workweek · workwise · work with · work without disruptions · workwoman