| русский | rus-000 |
| двунаправленный | |
| العربية | arb-000 | ثنائي الاتجاه |
| Universal Networking Language | art-253 | bidirectional(icl>adj,ant>unidirectional) |
| অসমীয়া ভাষা | asm-000 | দ্বিমু |
| български | bul-000 | двупосочен |
| čeština | ces-000 | dvojsměrný |
| čeština | ces-000 | dvojsměrový |
| čeština | ces-000 | obousměrný |
| 普通话 | cmn-000 | 双向 |
| 國語 | cmn-001 | 雙向 |
| Hànyǔ | cmn-003 | shuāngxiàng |
| dansk | dan-000 | BiDi |
| Deutsch | deu-000 | bidirektional |
| eesti | ekk-000 | kahesuunaline |
| ελληνικά | ell-000 | αμφίδρομος |
| English | eng-000 | bi-di |
| English | eng-000 | bidi |
| English | eng-000 | bidirectional |
| English | eng-000 | bilateral |
| English | eng-000 | bothway |
| English | eng-000 | dual-direction |
| English | eng-000 | two-forked |
| euskara | eus-000 | bidi |
| suomi | fin-000 | kaksisuuntainen |
| français | fra-000 | bidirectionnel |
| עברית | heb-000 | דו-כיווני |
| हिन्दी | hin-000 | द्वि-दिशा |
| hrvatski | hrv-000 | dvosmjeran |
| magyar | hun-000 | bidi |
| interlingua | ina-000 | bidirectional |
| interlingua | ina-000 | bilateral |
| italiano | ita-000 | BiDi |
| 日本語 | jpn-000 | bidi |
| кыргыз | kir-000 | эки тараптуу |
| 한국어 | kor-000 | 양방향(의) |
| ລາວ | lao-000 | ຄໍາສັ່ງອ່ານຕົວຫນັງສືປີ້ນກັບໄດ້ |
| lietuvių | lit-000 | dvikryptis |
| latviešu | lvs-000 | divvirzienu |
| македонски | mkd-000 | двонасочен |
| Nederlands | nld-000 | bidi |
| bokmål | nob-000 | toveis |
| پښتو ژبه | pbu-000 | دوه لوری |
| فارسی | pes-000 | دو طرفه |
| polski | pol-000 | dwukierunkowy |
| português | por-000 | bidireccional |
| português | por-000 | bidirecional |
| română | ron-000 | bidi |
| русский | rus-000 | билатеральный |
| русский | rus-000 | двусторонний |
| русский | rus-000 | реверсивный |
| slovenčina | slk-000 | technológia bidi |
| slovenščina | slv-000 | dvosmeren |
| español | spa-000 | bidireccional |
| srpski | srp-001 | dvosmerni |
| svenska | swe-000 | dubbelriktad |
| தமிழ் | tam-000 | இரு |
| татарча | tat-001 | ике яклы |
| ภาษาไทย | tha-000 | BIDI |
| Türkçe | tur-000 | çift yönlü |
| українська | ukr-000 | бінапрямлений |
| اردو | urd-000 | بڈی |
| tiếng Việt | vie-000 | hai chiều |
| Bahasa Malaysia | zsm-000 | dwiarah |