1. (adj.)big large in size, height, width, or amount: a big house; a big batch.
2. big of major concern or importance: a big problem.
3. big outstanding: a big success.
4. big important; influential: a big activist in politics.
5. big grown-up; mature: big enough to know better.
6. big elder: my big sister.
7. big large-scale and powerful; exercising substantial control and influence: big government.
8. big known or used widely; popular: Jazz became big in the 1920s.
9. big magnanimous: big enough to forgive.
10. big hearty; enthusiastic: He welcomed us in a big way.
11. big boastful; pompous: a big talker.
12. big loud; orotund: a big voice.
13. big filled; brimming: eyes big with tears.
14. big Chiefly South Midland and Southern U.S. pregnant.
15. (adv.)big boastfully; pretentiously: to talk big.
16. big successfully: to go over big.
17. (n.)big a person of importance or power: She lunched with a Hollywood big.
18. big the bigs, the highest level of competition, esp. baseball's major leagues.
19. big Informal. to have a special liking or enthusiasm for.
Etymology: (1275–1325; ME big(ge) strong, stout)
Definition of 'big'
Princeton's WordNet
1. (adj)large, big above average in size or number or quantity or magnitude or extent "a large city"; "set out for the big city"; "a large sum"; "a big (or large) barn"; "a large family"; "big businesses"; "a big expenditure"; "a large number of newspapers"; "a big group of scientists"; "large areas of the world"
2. (adj)big significant "graduation was a big day in his life"
3. (adj)bad, big very intense "a bad headache"; "in a big rage"; "had a big (or bad) shock"; "a bad earthquake"; "a bad storm"
4. (adj)big loud and firm "a big voice"; "big bold piano sounds"
5. (adj)big, large, prominent conspicuous in position or importance "a big figure in the movement"; "big man on campus"; "he's very large in financial circles"; "a prominent citizen"
8. (adj)big, swelled, vainglorious feeling self-importance "too big for his britches"; "had a swelled head"; "he was swelled with pride"
9. (adj)adult, big, full-grown, fully grown, grown, grownup (of animals) fully developed "an adult animal"; "a grown woman"
10. (adj)big marked by intense physical force "a big wind"
11. (adj)big, large, magnanimous generous and understanding and tolerant "a heart big enough to hold no grudges"; "that's very big of you to be so forgiving"; "a large and generous spirit"; "a large heart"; "magnanimous toward his enemies"
12. (adj)big, bighearted, bounteous, bountiful, freehanded, handsome, giving, liberal, openhanded given or giving freely "was a big tipper"; "the bounteous goodness of God"; "bountiful compliments"; "a freehanded host"; "a handsome allowance"; "Saturday's child is loving and giving"; "a liberal backer of the arts"; "a munificent gift"; "her fond and openhanded grandfather"
13. (adverb)big(p), enceinte, expectant, gravid, great(p), large(p), heavy(p), with child(p) in an advanced stage of pregnancy "was big with child"; "was great with child"
14. (adverb)big extremely well "his performance went over big"
15. (adverb)boastfully, vauntingly, big, large in a boastful manner "he talked big all evening"
16. (adverb)big on a grand scale "think big"
17. (adverb)big in a major way "the play failed big at the box office"
2. big having largeness of size; of much bulk or magnitude; of great size; large
3. big great with young; pregnant; swelling; ready to give birth or produce; -- often figuratively
4. big having greatness, fullness, importance, inflation, distention, etc., whether in a good or a bad sense; as, a big heart; a big voice; big looks; to look big. As applied to looks, it indicates haughtiness or pride