1. (superl.) Endowed with or manifesting life; living.

2. (superl.) Brisk; vivacious; active; as, a lively youth.

3. (superl.) Gay; airy; animated; spirited.

4. (superl.) Representing life; lifelike.

5. (superl.) Bright; vivid; glowing; strong; vigorous.

6. (adv.) In a brisk, active, or animated manner; briskly; vigorously.

7. (adv.) With strong resemblance of life.

ablaze active actively activist activistic acute adaptable adaptive afire aggressive agile agog alacritous alert alive all agog all out allegretto allegro animate animated animatedly antic anxious ardent astir avid blithe boiling over bouncing bouncy breakneck breathless breezily breezy bright brilliant brisk briskly bubbly buoyant burning bursting to bustling busy cant capersome catty cheerful cheery chipper chirk chirping chirpy chirrupy cock-a-hoop coltish cordial curried dashing delirious desirous double-quick drunk dynamic eager eagle-winged ebullient effervescent elastic energetic energetically enterprising enthusiastic eventful excited exciting expansive expeditious express extensile exuberant fast febrile fervent fervid fevered feverish fiery flaming fleet flexible flexile flushed flying forceful forcible forward frisky frolicsome full of beans full of go full of life full of pep full tilt galloping gamesome gay gleeful glowing go-go gorgeous hair-trigger hasty headlong hearty heated high-seasoned hilarious hot hot as pepper hustling impassioned impatient impetuous in full swing incisive intense interesting intoxicated inviting jocund jolly juicy keen kinetic light of heel light-footed live living lusty mercurial merry mettlesome militant mirthful nimble nimble-footed nippy on fire panting passionate peart peppery peppy perky pert piquant playful poignant pointed popping precipitate prompt provocative provoking pungent quick quick as lightning quick as thought quicksilver racy rapid raring to readable ready ready and willing reckless red-hot resilient responsive rich robust rollicking rollicksome rompish rousing running seasoned skittish smacking snappy spanking sparkling speedy spiced spicy spirited spiritedly sportive sprightly springy spry steaming steamy stimulating stirring strenuous stretch stretchable stretchy strong succulent swarming swift take-charge take-over tangy tantalizing teeming thought-challenging thought-inspiring thought-provoking tickling titillating trenchant unrestrained vibrant vigorous vital vivacious vivaciously vivid volatile warm winged with a kick zealous zestful zesty zingy zippy