by
preposition
°Near or next to.
"The mailbox is by the bus stop."
°At some time before (the given time), or before the end of a given time interval.
"Be back by ten o'clock!"
verb
°Along a path which runs by the speaker.
"I watched as it passed by."
°In the vicinity, near.
"The was a shepherd close by."
adjective
°Out of the way, subsidiary.
noun
°(card games) A pass.
interjection
°alternative spelling of bye.