abiding, aboveground, acid, age-long, aged, agog, alacritous, alive, alive and kicking, all agog, among the living, ancient, animate, animated, animating, antic, antique, anxious, armipotent, authoritative, avid, bang, basic, bedrock, biological, biotic, biting, bouncing, breathing, breathless, brisk, bursting to, called for, capable of life, capersome, cardinal, central, chronic, cogent, coltish, compulsory, conscious, constant, constitutive, continuing, corrosive, critical, crucial, cutting, desirous, diuturnal, drive, driving, durable, dynamic, eager, effective, endowed with life, enduring, energetic, enlivened, enlivening, essential, evergreen, existent, exuberant, flush, focal, forceful, forcible, forward, frisky, frolicsome, full of beans, full of life, fundamental, gamesome, gay, getup, gutsy, hale, hale and hearty, hardy, hearty, high-potency, high-powered, high-pressure, high-tension, immutable, impatient, imperative, important, impressive, in force, in power, in the flesh, incisive, indicated, indispensable, inspirited, instinct with life, integral, intransient, inveterate, invigorating, irreducible, irreductible, irreplaceable, irresistible, keen, key, lasting, life-and-death, life-giving, life-or-death, live, lively, living, long-lasting, long-lived, long-standing, long-term, longeval, longevous, lusty, macrobiotic, main, mandatory, material, mighty, mighty in battle, mordant, necessary, needed, needful, nervous, of long duration, of long standing, of vital
importance, operative, organic, organized, panting, paramount, penetrating, perdurable, perduring, perennial, permanent, perpetual, persistent, persisting, physiological, piercing, pivotal, playful, poignant, potent, powerful, prepotent, prerequisite, prompt, puissant, punchy, quick, quickening, raring to, ready, ready and willing, red-blooded, rejuvenating, remaining, required, requisite, reviving, robust, robustious, robustuous, rollicking, rollicksome, rompish, rude, rugged, ruling, sempervirent, sensational, sinewed, sinewy, skittish, slashing, spirited, sportive, sprightly, stable, stalwart, staying, steadfast, stout, strenuous, striking, strong, sturdy, substantive, telling, tenacious of life, tough, trenchant, unfading, unforgoable, valid, very much alive, viable, vigorous, vim, vitality, vitalizing, vivacious, vivid, vivified, vivifying, wanted, zestful, zippy, zoetic
importance, consequence, moment, prominence, consideration, mark, materialness, import, significance, concern, emphasis, interest, greatness, superiority, notability, weight, value, usefulness, gravity, seriousness, solemnity, no joke, no laughing matter, pressure, urgency, stress, matter of life and death, memorabilia, notabilia, great doings, red-letter day, great thing, great point, main chance, the be all and the end all, cardinal point, substance, gist, sum and substance, gravamen, head and front, important part, principal part, prominent part, essential part, half the battle, sine qua non, breath of one's nostrils, cream, salt, core, kernel, heart, nucleus, keynote, keystone, corner stone, trump card, salient points, top sawyer, first fiddle, prima donna, chief, triton among the minnows, 'it', important, of importance, momentous, material, to the point, not to be overlooked, not to be despised, not to be sneezed at, egregious, weighty, of note, notable, prominent, salient, signal, memorable, remarkable, unforgettable, worthy of remark, worthy of notice, never to be forgotten, stirring, eventful, grave, serious, earnest, noble, grand, solemn, impressive, commanding, imposing, urgent, pressing, critical, instant, paramount, essential, vital
, all-absorbing, radical, cardinal, chief, main, prime, primary, principal, leading, capital, foremost, overruling, of vital
importance in the front rank, first-rate, superior, considerable, marked, rare, significant, telling, trenchant, emphatic, pregnant, tanti, materially, in the main, above all, kat' exochin, par excellence, to crown all, to beat all, expende Hannibalem!.
life, vitality, viability, animation, vital
flame, soul, spirit, respiration, wind, breath of life, breath of one's nostrils, oxygen, air, respirator, artificial respirator, heart and lung machine, iron lung, medical devices, lifeblood, Archeus, existence, vivification, vital
force, vitalization, revivification, Prometheus, life to come, physiology, biology, animal ecology, nourishment, staff of life, genetics, heredity, inheritance, evolution, natural selection, reproduction (production), microbe, aerobe, anaerobe, facultative anaerobe, obligate aerobe, obligate anaerobe, halophile, methanogen, archaebacteria, microaerophile, animal, vegetable, artificial life, robot, robotics, artificial intelligence, breathing, breathing rate, heartbeat, pulse, temperature, preservation of life, healing (medicine), living, alive, in life, in the flesh, in the land of the living, on this side of the grave, above ground, breathing, quick, animated, animative, lively, all alive and kicking, tenacious of life, full of life, yeasty, vital
, vitalic, vivifying, vivified viable, zoetic, Promethean, vivendi causa, atqui vivere militare est, non est vivere sed valere vita.