gusto, verve, zest, zeal, dynamism, fervor, brio, vim, vitality, alacrity, boldness, panache, ferocity, vivacity, tenacity, enthusiasm, liveliness, fervency, elan, exuberance, vibrancy, forcefulness, ebullience, briskness, spunk, aplomb, decisiveness, effervescence, joie de vivre, vehemence, incisiveness, eloquence, feistiness, urgency, suppleness, earnestness, ardor, playfulness, doggedness, aggressiveness, staunchness, irrepressibility, gutsiness, freshness, fortitude, potency, cogency, diligence, resoluteness, youthfulness, intensity, forthrightness, lucidity, idealism, firmness, fluidity, sanguinity, relentlessness, wholeheartedness, swagger, circumspection, fearlessness, adventurousness, bravado, oomph, stamina, litheness, ferociousness, indomitability, courage, virility, impishness, sincerity, gravitas, inventiveness, tenaciousness, rigor, pliancy, strength, directness, adroitness, sprightliness, steadiness, gumption, spirit, toughness, tirelessness, deftness, resilience, pugnacity, pithiness, flair, wiliness, theatricality, felicity, purposefulness, zing, chutzpah, nimbleness, ruthlessness, passion, virtuosity, vigour, keenness, buoyancy, brilliancy, acuteness, resiliency, agility, ardour, hardihood, sharpness, resourcefulness

athleticism, strenuosity

., adynamia, adynamic, alive, anaemic, anemic, animated, asthenic, bloodless, blunt, castrate, deaden, debilitated, driving, elan, emasculate, enervated, enlivener, fade, faint, feeble, hard, hard-hitting, invigorate, invigorator, in full action, in full swing, languish, launch, listlessness, lively, pastel, pine away, plunge, prime, prime of life, quickener, racy, reanimated, refine, reinvigorate, renewing, restorative, resurgent, return, revitalise, revitalised, revitalising, revitalize, revitalized, revitalizing, revived, reviving, smartly, spirited, spiritless, torpidity, torpidness, torpor, trenchant, vigorously, vim, virile, washy, waste, weak, wither

force, life

energy