Acquaintance, noun,

12 letters, 3 syllables.

Definition: a person one knows slightly, but who is not a close friend.

Example: I thought we were friends, but all I was to you was an "acquaintance."

But do acquaintances stay up talking until the sun rises,

Or get in trouble for talking too much during play rehearsals.

Acquaintance, noun,

12 letters & 3 syllables,

A word I will never forget.