Words related to big

much (adj.)

c. 1200, "great in quantity or extent" (also "great in size, big, large," a sense now obsolete), a worn-down form (by loss of unaccented last syllable) of Middle English muchel "large, tall; many, in a large amount; great, formidable," from Old English micel "great in amount or extent," from Proto-Germanic *mekilaz, from PIE root *meg- "great."

As a noun, "a large quantity, a great deal," and as an adverb, "in a great degree, intensely, extensively," from c. 1200. Since 17c. the adverb has been much-used as a prefix to participial forms to make compound adjectives. For vowel evolution, see bury. Too much was used from late 14c. in the senses "astonishing, incredible," also "too offensive, unforgivable." Much-what "various things, this and that" (late 14c.) was "Very common in the 17th c." [OED] and turns up in an 1899 book of Virginia folk-speech as well as "Ulysses."

bigass (adj.)
also big-ass, big-assed, by 1945, U.S. military slang, from big + ass (2).
bigfoot (n.)
supposed elusive man-like creature of the Pacific Northwest, 1963, from big (adj.) + foot (n.).
biggen (v.)
1640s, "to make big, increase," also "grow big, become larger," from big (adj.) + -en (1). As a noun, bigger is attested from mid-15c. for "builder."
bigger (adj.)
comparative of big (q.v.).
biggest (adj.)
superlative of big (q.v.).
biggie (n.)
1931, "important person," from big + -ie.
bighorn (n.)
"Rocky Mountain sheep," 1805, American English, from big + horn (n.).
bigly (adv.)
early 14c., "strongly, vehemently," from big + -ly (2). From 1530s as "haughtily, arrogantly."
big-mouth (n.)
also bigmouth "person who talks too much," 1889, American English, from big + mouth (n.). Earlier as a type of fish and the name of a capable leader of the Oglala people in the 1860s.