However, I can provide you with a list of common terms for close friends or best friends in various languages. Keep in mind that nuances of meaning and usage can vary:
European Languages:
* English: Best friend, close friend
* Spanish: Mejor amigo/a (masculine/feminine)
* French: Meilleur(e) ami(e) (masculine/feminine)
* German: Bester Freund/Beste Freundin (masculine/feminine)
* Italian: Miglior amico/a (masculine/feminine)
* Portuguese: Melhor amigo/a (masculine/feminine)
* Russian: Лучший друг/лучшая подруга (masculine/feminine)
* Dutch: Beste vriend/vriendin (masculine/feminine)
* Swedish: Bästa vän/bästa väninna (masculine/feminine)
* Polish: Najlepszy przyjaciel/najlepsza przyjaciółka (masculine/feminine)
* Czech: Nejlepší kamarád/kamarádka (masculine/feminine)
* Hungarian: Legjobb barát/barátnő (masculine/feminine)
Asian Languages:
* Japanese: 親友 (shin'yū) - literally "close friend"
* Chinese (Mandarin): 最好的朋友 (zuì hǎo de péngyou) - literally "best friend"
* Korean: 절친 (jeolchin) - literally "close friend"
* Hindi: सबसे अच्छा दोस्त (sabse achchha dost) - literally "best friend"
* Thai: เพื่อนสนิท (pheuan sinit) - literally "close friend"
Other Languages:
* Arabic: أفضل صديق (afdal sadiq) - literally "best friend"
* Hebrew: חבר הכי טוב (chever hachi tov) - literally "best friend"
* Turkish: En iyi arkadaş (en iyi arkadaș) - literally "best friend"
This is just a small sample of the many languages in the world. Remember, the best way to find the right term for "best friend" in a particular language is to ask a native speaker.
You can also use online dictionaries or translation websites to get more specific translations.