WordNet sense 1 (important in effect or meaning):

significant

WordNet sense 2 (ostentatiously lofty in style):

bombastic, declamatory, orotund, tumid, turgid

WordNet sense 3 (concerned with effect or style of writing and speaking):

rhetorical

WordNet sense 4 (large in volume or bulk):

voluminous

WordNet sense 5 (extremely large):

super

WordNet sense 6 (imposing in scale or scope or degree or power):

massive

WordNet sense 7 (imposing in size or bulk or solidity):

monumental

WordNet sense 8 ((used informally) very large):

humongous

WordNet sense 9 (unusually great in size or amount or degree or especially extent or scope):

huge, immense, vast

WordNet sense 10 (large and impressive in physical size or extent):

grand

WordNet sense 11 (relatively large in size or number or extent; larger than others of its kind):

great

WordNet sense 12 (so exceedingly large or extensive as to suggest a giant or mammoth):

gigantic

WordNet sense 13 (large in spatial extent or range or scope or quantity):

extensive

WordNet sense 14 (very imposing or impressive; surpassing the ordinary (especially in size or scale)):

heroic

WordNet sense 15 (of great mass; huge and bulky):

elephantine, giant

WordNet sense 16 (extraordinarily large in size or extent or amount or power or degree):

enormous

WordNet sense 17 (so great in size or force or extent as to elicit awe):

colossal, stupendous

WordNet sense 18 (large in capacity):

capacious

WordNet sense 19 (of large size for its weight):

bulky

WordNet sense 20 (very large in expanse or scope):

broad, spacious, wide

WordNet sense 21 (being puffed out; used of hair style or clothing):

puffy

WordNet sense 22 (somewhat large):

largish

WordNet sense 23 (fairly large):

ample

WordNet sense 24 (above average in size or number or quantity or magnitude or extent):

big

WordNet sense 25 (generous and understanding and tolerant):

magnanimous

WordNet sense 26 (not petty in character and mind):

generous

WordNet sense 27 (conspicuous in position or importance):

prominent

WordNet sense 28 (obvious to the eye or mind):

conspicuous

WordNet sense 29 (including all or everything):

comprehensive

WordNet sense 30 (in a boastful manner):

boastfully, vauntingly

WordNet sense 31 (in an advanced stage of pregnancy):

expectant, gravid, heavy, enceinte, with child

WordNet sense 32 (carrying developing offspring within the body or being about to produce new life):

pregnant