adj. 1 large, great, grand; huge, enormous, immense, gigantic, giant, tremendous, colossal, Brobdingnagian, jumbo, Colloq Brit socking or whacking big or great, US humongous We live in a big house in the country 2 ample, hefty, huge, bulky, fat, obese; large, hulking, beefy, burly, brawny, strapping, gargantuan, elephantine, enormous, gigantic, immense, monstrous The sumo wrestler was one of the biggest men I'd ever seen 3 tall, grown, mature, grown-up, large Christopher is certainly big for his age 4 important, significant, outstanding, weighty, consequential, major, grave, momentous, notable, noteworthy, telling Changing careers can be one of the biggest decisions of your life 5 important, prominent, illustrious, noteworthy, notable, renowned, eminent, distinguished, esteemed Mr Johnson is a big man in our town 6 generous, magnanimous, charitable, unselfish, giving It was very big of her to take on the support of the orphanage 7 popular, famous, well-known, successful That band is very big with the kids these days 8 capital, large, upper case, majuscule Always spell London with a big L
adv. 9 pompously, boastfully, conceitedly, arrogantly, pretentiously Alfred talks big at home, but he's very modest when he's with his friends 10 successfully, well, oustandingly,effectively I think your speech went over big with those opposed to the new budget