あれ

Etymology 1
From older kare → are. Compound of.

Pronoun

 * 1) distal demonstrative, something far off removed from both speaker and listener: that, yon
 * 2) (deictically) that one over there (far from the speaker and the addressee)
 * 3) (anaphorically) that one we both know (both the speaker and the addressee know)
 * 4)  third-person personal pronoun: he, she, that person
 * 5) you-know-what; a thing whose name the speaker does not want to mention
 * 6) sex
 * 7) cockroach
 * 8)  second-person pronoun: you
 * 1) sex
 * 2) cockroach
 * 3)  second-person pronoun: you

Usage notes

 * Indicates something far off, removed from both speaker and addressee. Contrast with, indicating something removed from the speaker but closer to the addressee.

Adjective

 * 1)   "you know what I mean"

Interjection

 * 1) huh? expression of surprise and confusion when talking to yourself

Etymology 4
The long form of. From

Fell into disuse in roughly the Heian period, when it was replaced by.

Pronoun

 * 1)  first-person personal pronoun: I, me
 * "ja"
 * "ja"

- ...と、聞こえ動かして、几帳のもとに、おし寄せたてまつりたれば、あれにもあらず、居給へるけはい...

Usage notes

 * Although it remains grammatically correct in modern language, there are few, if any, situations in which it is used, outside of stock formal phrases inherited from the classical language.