| World Science Fiction Society | World Science Fiction Convention |
| World Scout Bureau | Organização Mundial do Movimento Escoteiro |
| World Scout Jamboree | Jamboree |
| World Series | World Series |
| World Series by Renault | World Series by Renault |
| World Series of Poker | Série Mundial de Pôquer |
| World Soccer Awards | Revista World Soccer |
| World Social Forum | Fórum Social Mundial |
| world soul | anima mundi |
| World Tag Team Championship | WWE World Tag Team Championship |
| World Tai Chi and Qigong Day | Dia Mundial do Tai Chi Chuan e do Chi Kung |
| World Team Cup | World Team Cup |
| World Tourism Day | Dia Mundial do Turismo |
| World Tourism Organization | Organização Mundial de Turismo |
| World Trade Center | World Trade Center |
| World Trade Organization | Organização Mundial do Comércio |
| world war | guerra mundial |
| World War I | Primeira Guerra Mundial |
| World War I timeline | Cronologia da Primeira Guerra Mundial |
| World War II | Segunda Guerra Mundial |
| World War III | terceira guerra mundial |
| World Wide Fund for Nature | World Wide Fund for Nature |
| World Wide Web | rede |
| World Wrestling Entertainment | World Wrestling Entertainment |
| World Wrestling Entertainment roster | Plantel da World Wrestling Entertainment |
| world's oldest profession | mais velha profissão do mundo |
| world-class | de alto nível |
| world-shaking | sensacional |
| world-weary | desgostoso |
| World-Wide Web | World Wide Web |
| world-wise | experiente |
| Worldcon | World Science Fiction Convention |
| worldle | mundoo |
| worldly | terreno |
| Worldwar | Guerra mundial |
| Worldwatch Institute | Worldwatch Institute |
| worldwide | internacional |
| Worldwide green parties | Os Verdes - Alternativa Verde |
| Worldwide world trade center | World Trade Center |
| worldwidet (computer) | planetário |
| worm | matar os vermes |
| worm one's way into | enfirar-se |
| worm out | tirar |
| worm-eaten | sem-fim-comido |
| worm-eatenof fare | carcomido |
| wormbush | rosca (de parafuso etc) |
| Wormhole | Buraco-de-minhoca |
| wormlike | submissoa |
| Worms | Espaguete |
| wormwood | absinto |
| wormy | bichado |
| worn | desgastado |
| worn out | gasto |
| worn-out | morto |
| worried | nervoso |
| worried sick | muito preocupado |
| worries | preocupa-se |
| worrisome | preocupante |
| worry | preocupar-se |
| worry about | preocupar-se |
| worse | pior |
| worse and worseail | cada vez pior |
| worsen | declinar |
