keep up (verb) keep up: maintain, sustain
Sinonime: beside oneself, carried away, corybantic, crazy, delighted,
drunk*,
ecstatic, enthused, frantic, frenetic, frenzied, furious,
hysterical,
intoxicated, mad,
overwrought,
rabid*,
rapturous,
thrilled, transported, wild
Antonime: unexcited,
unhappy