| Part of speech | adjective |
|---|
| Attributive form | rooi |
|---|---|
| Comparative | rooier |
| Superlative | rooiste |
| Albanian | kuq |
|---|---|
| Catalan | roig; vermell |
| Czech | červeň; červená; červený; rudý |
| Danish | rød |
| Dutch | blozend; rood |
| English | red |
| Esperanto | ruĝa |
| Faeroese | reyður |
| Finnish | punainen |
| French | rouge |
| German | rot |
| Greek | κόκκινο |
| Hawaiian | ʻula; ʻulaʻula |
| Hungarian | piros |
| Italian | rosso |
| Kabylian | azewwaɣ |
| Latin | ruber; russus; rufus |
| Low German | roud |
| Luxemburgish | rout |
| Malay | merah |
| Norwegian | rød |
| Papiamento | kòrá |
| Polish | czerwony |
| Portuguese | rubro; vermelho |
| Romanian | roșu |
| Russian | красный |
| Saterland Frisian | rood |
| Scots | reid |
| Scottish Gaelic | dearg; ruadh |
| Spanish | rojo |
| Sranan | redi |
| Swahili | ‐ekundu |
| Swedish | röd |
| Thai | แดง; สีแดง |
| Turkish | al |
| Welsh | coch |
| West Frisian | read |
| Yiddish | רויט |