| think of | lembrar |
| think out | refletir |
| think over | pesar |
| Think tank | Think tank |
| think the world of | admirar |
| think through | refletir |
| think twice | pensar duas vezes |
| think twice about it | pensar melhor sobre |
| think up | armar |
| think well of | aprovar |
| thinkable | concebível |
| thinker | intelectual |
| thinking | pensar |
| Thinking machine | Computador |
| thinking of you | pensando em vocêa |
| thinner | menos denso |
| thinng suitather | magroi |
| thinning | diluição |
| thinsomay | fino comercial |
| Thiokol | AtK Thiokol |
| Thiol | Tiol |
| Thiomersal | Merthiolate |
| third | terceiro |
| Third Age | Terceira Era |
| Third Battle of Kharkov | Operação Barbarossa |
| Third Council of Toledo | Terceiro Concílio de Toledo |
| Third Crusade | Terceira Cruzada |
| Third dynasty of Egypt | III dinastia egípcia |
| Third Epistle of John | Terceira Epístola de João |
| Third Girl | Third Girl |
| third grade | terceira série |
| Third Intermediate Period of Egypt | Terceiro Período Intermediário |
| Third Italian War of Independence | Guerra Austro-prussiana |
| third party | terceira parte |
| third person | terceira pessoa |
| Third Punic War | Terceira guerra púnica |
| Third Reich | Terceiro Reich |
| Third Republic | Terceira República Francesa |
| Third Servile War | Espártaco |
| third shift premium | adicional noturno |
| third stomach | terceiro estômago |
| third time's a charm | às três é de vez |
| Third Watch | Third Watch |
| Third Way | Terceira via |
| Third World | terceiro mundo |
| third-class | de terceira categoria |
| third-degree | de terceiro grau |
| third-degree burn | queimadura de terceiro grau |
| Third-generation programming language | Linguagem de programação de terceira geração |
| Third-person shooter | Tiro em terceira pessoa |
| third-rate | barato |
| thirdad | terceiro(a) |
| thirdly | terceiramente |
| thirst | sede |
