- of great size, extent, or capacity; large
- great in amount or quantity
- great in force or intensity: a big wind
- elder: his big sister
- far advanced in pregnancy (with)
- filled or swelling (with)
- important or outstanding: to do big things
- very well known; famous
- popular; very well liked
- boastful; pompous; extravagant: big talk
- generous; noble: a big heart
- [oftenB-] designating an industry or other organized, large-scale activity regarded as having distinct political and economic interests: big oil, big labor, etc.
Origin of bigMiddle English from Germanic an unverified form bugja, swollen up, thick (from source bug and Norwegian dialect, dialectal bugge, big man) from Indo-European base an unverified form beu-, an unverified form bheu-, to blow up, swell from source puck, Classical Latin bucca, puffed cheek
- pompously; boastfully; extravagantly: to talk big
- in a broad way; showing imagination: think big!