active, activist, activistic, acute, aggressive, alive, animated, ardent, armipotent, assiduous, authoritative, bouncing, bouncy, breezy, brisk, bubbly, chipper, cogent, diligent, dynamic, ebullient, effective, effervescent, enterprising, enthusiastic, fervent, forceful, forcible, frisky, full of beans, full of go, full of life, full of pep, go-go, hard, hardworking, hearty, high-potency, high-powered, high-pressure, high-tension, hot, impetuous, in force, in power, incisive, indefatigable, industrious, intense, invigorated, irresistible, keen, kinetic, laborious, live, lively, living, lusty, mercurial, mettlesome, mighty, mighty in battle, militant, never idle, operative, peppy, perky, pert, potent, powerful, prepotent, puissant, quicksilver, relentless, robust, ruling, sedulous, sleepless, smacking, snappy, spanking, spirited, sprightly, spry, strenuous, striking, strong, take-charge, take-over, telling, tireless, trenchant, unflagging, unremitting, unsleeping, unsparing, untiring, unwearied, valid, vehement, vibrant, vigorous, vital, vivacious, vivid, zealous, zestful, zesty, zingy, zippy
exertion, effort, strain, tug, pull, stress, throw, stretch, struggle, spell, spurt, spirt, stroke of work, stitch of work, a strong pull a long pull and a pull all together, dead lift, heft, gymnastics, exercise, exercitation, wear and tear, ado, toil and trouble, uphill work, hard work, warm work, harvest time, labor, work, toil, travail, manual labor, sweat of one's brow, swink, drudgery, slavery, fagging, hammering, limae labor, industry, industriousness, operoseness, operosity, trouble, pains, duty, resolution, energy, laboring, laborious, operose, elaborate, strained, toilsome, troublesome, wearisome, uphill, herculean, gymnastic, palestric, hard-working, painstaking, strenuous, energetic
, hard at work, on the stretch, laboriously, lustily, pugnis et calcibus, with might and main, with all one's might, with a strong hand, with a sledge hammer, with much ado, to the best of one's abilities, totis viribus, vi et armis, manibus pedibusque, tooth and nail, unguibus et rostro, hammer and tongs, heart and soul, through thick and thin, by the sweat of one's brow, suo Marte, aide-toi le ciel t'aidera, and still be doing, never done, buen principio la mitad es hecha, cosa ben fatta e' fatta due volie, it is better to wear out than to rust out, labor omnia vincit, labor, wide as the earth, has its summit in Heaven, le travail du corps delivre des peines de l'esprit, manu forti, ora et labora.
energy, physical energy, force, power, keenness, intensity, vigor, strength, elasticity, go, high pressure, fire, rush, acrimony, acritude, causiticity, virulence, poignancy, harshness, severity, edge, point, pungency, cantharides, seasoning, activity, agitation, effervescence, ferment, fermentation, ebullition, splutter, perturbation, stir, bustle, voluntary energy, quicksilver, resolution, exertion, excitation, strong, energetic
, forcible, active, intense, deep-dyed, severe, keen, vivid, sharp, acute, incisive, trenchant, brisk, rousing, irritation, poignant, virulent, caustic, corrosive, mordant, harsh, stringent, double-edged, double-shotted, double- distilled, drastic, escharotic, racy, potent, radioactive, strongly, fortiter in re, with telling effect, the steam is up, vires acquirit eundo, the race by vigor not by vaunts is won.