| bifurcate | bifurquer |
| bifurcation | embranchement |
| big | grand |
| Big Apple | Grosse Pomme |
| Big Bad Beetleborgs | Beetleborgs |
| Big Bad Wolf | Loup |
| Big Bang | Big Bang |
| Big Bang nucleosynthesis | Nucléosynthèse primordiale |
| Big Bear City | Big Bear City |
| Big beat | Big beat |
| Big Beautiful Woman | Fat Admirer |
| Big Ben | Big Ben |
| Big Bend National Park | Parc national de Big Bend |
| Big Bertha | Grosse Bertha |
| big boy | grand garçon |
| Big Brother | Big Brother |
| Big Brother and the Holding Company | Big Brother and The Holding Company |
| Big Brother Awards | Big Brother Awards |
| big cheese | grosse légume |
| Big Crunch | Big Crunch |
| Big Dada | Big Dada |
| Big Daddy | Big Daddy |
| Big Daddy Kane | Big Daddy Kane |
| big deal | la belle affaire |
| Big Deal on Madonna Street | Le Pigeon |
| Big Dig | Big Dig |
| Big Dipper | Grande Ourse |
| big ears | oreille indiscrète |
| Big Easy | La Nouvelle-Orléans |
| big fat | gros |
| Big Fat Liar | Mensonge |
| big fire | incendie |
| Big Five | Big five |
| Big Five game | Big five |
| Big Five personality traits | Big five |
| Big Foot | Big Foot |
| Big Four | Big Four |
| Big Four auditors | Big Four |
| big game | grand gibier |
| Big Horn County | Comté de Big Horn |
| Big Love | Big Love |
| Big Mac | Big Mac |
| Big Mac Index | Indice Big Mac |
| big mouth | grande gueule |
| Big Night | À table |
| Big O notation | Notations de Landau |
| Big Omega function | Fonction grand omega |
| Big Pun | Big Punisher |
| Big Rip | Big Rip |
| Big Rock Point Nuclear Power Plant | Centrale nucléaire de Big Rock Point |
| big screen | grand écran |
| Big stick Diplomacy | Doctrine du Big Stick |
| Big Syke | Big Syke |
| Big talk | Beaux discours |
| Big Thunder Mountain Railroad | Big Thunder Mountain |
| big toe | gros orteil |
| Big top | Le Cirque |
| Big Top Pee-wee | Big Top Pee-Wee |
| Big Trouble | Big Trouble |
| Big Trouble in Little China | Les Aventures de Jack Burton dans les griffes du Mandarin |
| Big Wednesday | American Party |
| Big Youth | Big Youth |
| big-bellied | ventru |
| Big-belly seahorse | Hippocampus abdominalis |
| big-boned | fortement charpenté |
| Big-eared Hopping Mouse | Notomys macrotis |
| big-mouthed | vantard |
| big-time sport | sport de haute compétition |
