1 speed of an activity/event
VERB + TEMPO increase, raise, step up United stepped up the tempo in the second half. | slow (down)
TEMPO + VERB quicken | slacken | change
PHRASES the tempo of life They soon adapted to the tempo of life on the island.
2 speed of a piece of music
ADJ. fast, quick | slow | moderate | waltz, etc.
VERB + TEMPO change
TEMPO + NOUN indications, markings
PREP. at a … ~ They took the last movement at an unusually slow tempo.