vivacious (adj.)
- active
- activist
- activistic
- acute
- aggressive
- agog
- alacritous
- alert
- alive
- animate
- animated
- antic
- anxious
- avid
- blithe
- bouncing
- bouncy
- breathless
- breezy
- brisk
- bubbly
- buoyant
- cant
- cheerful
- chipper
- coltish
- desirous
- dynamic
- eager
- ebullient
- effervescent
- energetic
- enterprising
- enthusiastic
- exuberant
- forceful
- forcible
- forward
- frisky
- frolicsome
- gay
- happy
- hearty
- high-spirited
- impatient
- impetuous
- incisive
- intense
- jaunty
- keen
- kinetic
- light-hearted
- live
- lively
- living
- lusty
- mercurial
- merry
- mettlesome
- militant
- peppy
- perky
- pert
- piquant
- playful
- poignant
- prompt
- pungent
- quick
- quicksilver
- racy
- ready
- robust
- rollicking
- skittish
- snappy
- spanking
- sparkling
- spirited
- sportive
- sprightly
- spry
- strenuous
- strong
- sunny
- trenchant
- up
- vibrant
- vigorous
- vital
- vivid
- zestful
- zesty
- zippy
