giant, n. colossus, [monster], Hercules, Goliath, Titan, Cyclops, Brobdingnagian, ogre.
gibberish, n. [jargon], [jabber], gabbling, [babble], [drivel].
gibe, v. [scoff], [flout], [jeer], [sneer], [ridicule], [deride], [mock].
gibe, n. [ridicule], [sneer], sarcasm, [derision], [mockery].
giddy, a. [fickle], mercurial, [volatile], [flighty], [unstable], [inconstant], [thoughtless]; light-headed, [dizzy], vertiginous.
gift, n. gratuity, [present], largess, [offering], [grant], [donation], [boon], [bounty], [bequest], benefaction, contribution, subsidy, [legacy], [alms], donative, douceur, dotation, sportula; [endowment], [talent].
gifted, a. [talented].
gigantic, a. [enormous], [colossal], Herculean, [vast], Cyclopean, prodigious, Titanic, Gargantuan, Brobdingnagian.
giggle, n. [snicker], snigger, titter.
gimcrack, n. [device], [toy], [plaything], [trinket], [knickknack], jiggumbob.