Big a. [Compar. Bigger; superl. Biggest.]
  1. Having largeness of size; of much bulk or magnitude; of great size; large. “He's too big to go in there.”
  2. Great with young; pregnant; swelling; ready to give birth or produce; -- often figuratively.
     [Day] big with the fate of Cato and of Rome.   --Addison.
  3. 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.
     God hath not in heaven a bigger argument.   --Jer. Taylor.
  Note: ☞ Big is often used in self-explaining compounds; as, big-boned; big-sounding; big-named; big-voiced.
  To talk big, to talk loudly, arrogantly, or pretentiously.
     I talked big to them at first.   --De Foe.
  Syn: -- Bulky; large; great; massive; gross.
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  Big·gest a., superl. of Big.
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  big
       adj 1: 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" [syn: large] [ant: small, small]
       2: significant; "graduation was a big day in his life"
       3: of very great significance; "deciding to drop the atom bomb
          was a very big decision"; "a momentous event" [syn: momentous]
       4: 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" [syn: large, prominent]
       5: very intense; "a bad headache"; "in a big rage"; "had a big
          (or bad) shock"; "a bad earthquake"; "a bad storm" [syn: bad]
       6: loud and firm; "a big voice"; "big bold piano sounds"
       7: prodigious; "big spender"; "big eater"; "heavy investor"
          [syn: big(a), heavy(a)]
       8: (of animals) fully developed; "an adult animal"; "a grown
          woman" [syn: adult, full-grown, fully grown, grown,
           grownup]
       9: marked by intense physical force; "a big wind"
       10: feeling self-importance; "too big for his britches"; "had a
           swelled head"; "he was swelled with pride" [syn: swelled,
            vainglorious]
       11: older brother or sister; "big sister" [syn: big(a), elder,
            older] [ant: little(a)]
       12: exhibiting self-importance; "big talk" [syn: boastful, braggart(a),
            bragging(a), braggy, cock-a-hoop, crowing, self-aggrandizing,
            self-aggrandising]
       13: 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" [syn: large, magnanimous]
       14: 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"
           [syn: bighearted, bounteous, bountiful, freehanded,
            handsome, giving, liberal, openhanded]
       15: in an advanced stage of pregnancy; "was big with child";
           "was great with child" [syn: big(p), enceinte, expectant,
            gravid, great(p), large(p), heavy(p), with
           child(p)]
       adv 1: extremely well; "his performance went over big"
       2: in a boastful manner; "he talked big all evening" [syn: boastfully,
           vauntingly, large]
       3: on a grand scale; "think big" [ant: small]
       4: in a major way; "the play failed big at the box office"
       [also: biggest, bigger]
  biggest
       adj : greatest in size of those under consideration [syn: greatest,
              largest]