Adjectives ending with the letter G are listed in this post.
adjoining, agonizing, alarming, all-consuming, alluring, amazing, amusing, annoying, anti-drug, anti-dumping, anti-smoking, appalling, appetizing, aspiring, astonishing, astounding, award-winning
baffling, balding, bashing, befitting, beguiling, best-looking, best-performing, best-selling, better-paying, biding, big, biggest-selling, binding, blistering, blood-clotting, bond-rating, booming, boring, borrowing, breathtaking, brooding, bruising, bumbling, bustling
calming, captivating, card-carrying, cascading, charming, chicken-and-egg, chilling, chin-wagging, cleaner-burning, coal-mining, coinciding, colouring, comforting, commanding, compelling, confusing, consenting, convincing, corresponding, corrupting, cost-cutting, cost-saving, credit-rating, crime-fighting, crippling, cross-dressing, crowning, cunning
damaging, daring, dashing, daunting, daylong, day-long, dazzling, debilitating, debt-servicing, decade-long, decadeslong, degrading, demeaning, depressing, deserving, despairing, devastating, diaper-changing, disappointing, disapproving, disconcerting, disease-fighting, disgusting, dismaying, disquieting, dissenting, distinguishing, distressing, disturbing, dizzying, dog-eat-dog, domineering, doping, drinking, drug-dealing, drug-fighting, drug-smuggling
early-morning, earth-shattering, easygoing, easy-going, edifying, embarrassing, enchanting, endearing, english-speaking, engrossing, enterprising, entertaining, ever-changing, ever-expanding, ever-growing, ever-increasing, everlasting, ever-worsening, exciting, exhausting, exhilarating, ex-housing, existing, eye-catching, eye-popping
face-saving, fact-finding, family-planning, far-flung, far-reaching, fascinating, fast-acting, fast-approaching, fastest-growing, fast-flowing, fast-growing, fasting, fast-living, fast-moving, fast-rising, fitting, flagging, flattering, fledgling, fleeting, forthcoming, forward-looking, free-falling, free-spending, free-standing, freewheeling, french-speaking, frightening, frustrating, fund-raising, fun-loving
galling, galloping, game-winning, gaping, garnering, gas-guzzling, glaring, global-warming, glowering, glowing, gold-mining, good-looking, gratifying, gripping, grudging, grueling, gun-carrying, gut-wrenching
hacking, hair-raising, hairsplitting, hamstrung, happening, hard-charging, hard-drinking, hard-hitting, hard-partying, hardworking, hard-working, harrowing, head-butting, healthy-looking, heartening, heart-rending, higher-ranking, highest-ranking, highest-yielding, high-flying, high-paying, high-performing, high-ranking, high-yielding, history-making, horrifying, hottest-selling, hourlong, hour-long, hulking, humbling, humiliating
ill-fitting, illuminating, image-building, impending, incoming, incorporating, infuriating, inhibiting, inspiring, insulting, interest-bearing, interesting, intriguing, inward-looking, irritating, island-hopping
lasting, law-abiding, lawmaking, left-leaning, left-wing, less-sweeping, liberating, life-changing, lifelong, life-long, life-saving, life-threatening, lilting, long, long-running, long-serving, long-simmering, longstanding, long-standing, long-suffering, loving, low-lying, low-paying, low-slung, lumbering
maddening, market-moving, market-opening, meat-packing, meat-processing, menacing, middling, mile-long, mind-boggling, mind-numbing, misleading, missing, money-lending, money-losing, moneymaking, money-making, money-winning, monthlong, month-long, months-long, moralizing, muzzling
nagging, nerve-racking, nesting, never-ending, nonbinding, non-drug, non-operating, nonperforming, non-performing, non-smoking, nonvoting, non-voting, nonworking, no-smoking, numbing
obliging, oil-producing, once-promising, oncoming, ongoing, on-going, outgoing, outlying, outstanding, outward-looking, overcrowding, overlong, overpowering, overwhelming
painstaking, panting, paper-manufacturing, paralyzing, patronizing, pecking, peeling, penny-pinching, perplexing, piercing, pioneering, play-making, pleasing, policymaking, policy-making, policy-setting, power-sharing, pre-existing, pre-sentencing, prize-winning, problem-solving, production-sharing, professing, profit-making, profit-taking, promising, protein-making, prying, public-housing, puzzling
ranking, reassuring, record-breaking, record-tying, refreshing, resounding, re-starting, restocking, revolting, rewarding, right-wing, rip-roaring, riveting, rusting
scathing, searing, season-opening, second-leading, seeming, self-correcting, self-deprecating, self-fulfilling, self-governing, self-policing, self-respecting, self-serving, self-starting, self-supporting, shimmering, shocking, sickening, sizzling, sloping, slow-moving, slow-selling, smashing, smug, snug, sobering, spanish-speaking, spanking, sparing, sparkling, sputtering, staggering, startling, steadying, stinging, stock-picking, stomach-churning, straight-talking, strapping, striking, strong, stultifying, stumbling, stunning, suffocating, surprising, svelte-looking, swashbuckling, sweeping
tax-writing, tempting, terrifying, third-leading, third-ranking, thrilling, thriving, tie-breaking, time-consuming, tippling, tolerating, top-performing, top-ranking, top-selling, top-yielding, tottering, towering, tranquilizing, trend-setting, troubling, tumor-suppressing
unalluring, unappealing, unassuming, unbending, unblinking, unchanging, uncompromising, unconvincing, under-performing, unending, unflattering, unflinching, unforgiving, unrelenting, unsatisfying, unsettling, unstinting, unsuspecting, unwilling, unwitting, unyielding, up-and-coming, upcoming
vexing, voting
weapons-making, weeklong, week-long, well-paying, whooping, whopping, wide-ranging, willing, wine-buying, withering, wood-burning, woodworking, worst-performing, wrong
yearlong, year-long, young
Hope this word list had the adjective that ends in G you were looking for. Additional descriptive words can be found in the other pages on this site.
Energising