Verb

• S: (v) build up, work up, build, progress (form or accumulate steadily) "Resistance to the manager's plan built up quickly"; "Pressure is building up at the Indian-Pakistani border"
• S: (v) work up, get up (develop) "we worked up an as of an appetite"
• direct hypernym / inherited hypernym / sister term
• S: (v) grow, develop, produce, get, acquire (come to have or undergo a change of (physical features and attributes)) "He grew a beard"; "The patient developed abdominal pains"; "I got funny spots all over my body"; "Well-developed breasts"
• S: (v) change (undergo a change; become different in essence; losing one's or its original nature) "She changed completely as she grew older"; "The weather changed last night"
• sentence frame
• S: (v) build up, work up, build, ramp up (bolster or strengthen) "We worked up courage"; "build up confidence"; "ramp up security in the airports"
• verb group
• direct hypernym / inherited hypernym / sister term
• sentence frame
• S: (v) work out, work up (come up with) "His colleagues worked out his interesting idea"; "We worked up an ad for our client"

Adjective

• S: (adj) aroused, emotional, excited, worked up ((of persons) excessively affected by emotion) "he would become emotional over nothing at all"; "she was worked up about all the noise"