big

above average in size or number or quantity or magnitude or extent“a large city”

exhibiting self-importance“big talk”

given or giving freely“was a big tipper”

in an advanced stage of pregnancy“was big with child”

(of animals) fully developed“an adult animal”

conspicuous in position or importance“a big figure in the movement”

feeling self-importance“too big for his britches”

generous and understanding and tolerant“a heart big enough to hold no grudges”

significant“graduation was a big day in his life”

serious or severe“a bad headache”

prodigious“big spender”

loud and firm“a big voice”

marked by intense physical force“a big wind”

in a boastful manner“he talked big all evening”

extremely well“his performance went over big”

on a grand scale“think big”

in a major way“the play failed big at the box office”