和英辞書

あれ

pron

(deictically) that one over there (far from the speaker and the addressee) / (anaphorically) that one we both know (both the speaker and the addressee know)

あれは私の鍵です。

That is my key.

意味（1）

(deictically) that one over there (far from the speaker and the addressee)

意味（2）

(anaphorically) that one we both know (both the speaker and the addressee know)

これはあれでしょ？○○。

Kore wa are desho? ○○.This is that one thing, isn't it? You know, X.

意味（3）

(chiefly derogatory) third-person personal pronoun: he, she, that person

意味（4）

sex

意味（5）

cockroach

意味（6）

(archaic) second-person pronoun: you