grudgeful, a. envious, resentful.

grudgingly, adv. unwillingly, reluctantly, sullenly, enviously resentfully.

gruff, a. ungracious, brusque, surly, rude, impolite, stern.

grum, a. morose, surly, sour, glum; guttural, low, rumbling.

grumble, v. murmur, repine, complain, croak; growl, snarl.

grumbler, n. complainer, croaker, fault-finder, growler.

grumpy, a. (Colloq.) surly, disgruntled, grouty, irritable, sullen.

guarantee, n. warranty, security, surety.

guard, v. protect, defend, shield, shelter, fortify, preserve.  Antonym:  expose.

guard, n. guardsman, watch, watchman, sentinel, patrol, sentry, picket; convoy, escort, body-guard; defense, protection, shield, safeguard, bulwark, armor; attention, heed, watch, circumspection.  Associated Word:  cordon.

guarded, a. cautious, wary, circumspect, careful, reserved, non-committal.

guardian, n. defender, guard, tutelary saint, keeper, warden, protector, defense, guardian angel.  Antonyms:  ward, protege.

guardian, a. tutelary, protecting, tutelar.

guardianship, n. protection, care, watch, wardenship, tutelage.

guess, v. conjecture, speculate, surmise; think, suppose, presume, apprehend, believe, daresay, opine.

guess, n. conjecture, surmise, supposition, speculation.

guesswork, n. conjecture.

guide, v. pilot, steer, direct, govern, conduct.

guide, n. conductor, pilot, director; cicerone; polestar; rudder, regulator; mentor, monitor, counsellor; key, clew.

guidebook, n. itinerary.

guiding star. loadstar, polestar, Cynosure.

guild, n. society, association, fraternity, corporation, brotherhood.

guile, n. subtlety, cunning, wiliness, deceit, insincerity, artifice.

guileful, a. deceitful, crafty, artful, wily, subtle, designing.

guileless, a. innocent, artless, sincere, undesigning, ingenuous.

guilt, n. criminality, guiltiness, complicity, culpability, crime; wrong, offense, transgression, sin.  Antonyms:  innocence, inculpability.

guiltless, a. inculpable, blameless, innocent.

guilty, a. culpable, punishable, criminal, peccant, sinful.

guise, n. way, custom, manner, mien; garb, shape, appearance, dress, cloak.

gulch, n. gully, ravine.

gulf, n.abyss, chasm; vortex, whirlpool, rapids, maelstrom; bay.

gulfweed, n. sargasso.

gull, n. cheat, swindle, humbug, fraud; dupe, gudgeon, cully; seamew, mew, cob.

gullet, n. esophagus.

gullible, a. credulous.

gully, n. gulch, ravine, gorge, couloir.

gumboll, n. parulis.

gummy, a. viscous, adhesive.

gumption, n. (Colloq.) shrewdness, sagacity, discernment, acumen, common sense.

gum-yielding, a. guttiferous.