Synonyms for By:

adj.

near (adjective)
hairbreadth, next, local, along, adjacent, nearby, immediate, neighborhood, near, at, proximate, close.

adv

near (adverb)
along.

adv.

all (adverb)
away, past, aside.
near (adverb)
over, close, away, beyond, past, aside.

n.

board, Booking office, afloat, aboard, bus, book on, booking, ARR, aisle seat, bookable. ahead, across, beyond, on, along, about, over, Via. Beside, united, attached, next door, next to, alongside. average, standard, high, low, advanced, exacting, classical, classically, above. under, strictly speaking, in accordance with, in the eyes of the law/world etc., according to, depending on, on a case-by-case basis, on (someone's/something's) merit. initial, naming ceremony, nee, Of, assignment, namesake, junior, nameless, after. here, when, before, all, then, Whenever, sometime, This, Until, last. within, in the midst of something, for the duration, During, throughout. full-size, double, life-size, so, isometric, disproportionate, three-quarter, That. by (noun)
bye, incidental, past, away, side, aside, incident.

prep.

alongside (preposition)
next to.
by means of (preposition)
on, Via.
next to (preposition)
alongside, Beside, nearby, near, along.

Other synonyms:

here, according to, initial, namesake, Until, life-size, nameless, Via, throughout, disproportionate, Beside, across, next, nee, three-quarter, This, naming ceremony, beyond, before. full-size, ahead, junior, on, isometric, after, over, under. That. so, within. Of. about. double. position
at.
Other relevant words:
at, Until, isometric, away, side, incidental, namesake, That, bye, here, in accordance with, past, attached, double, three-quarter, across, before, after, about, alongside, incident, Beside, beyond, along, according to, over, ahead, on, This, aboard, Via, Of, next to, nameless, junior, aside, During.

Usage examples for by

  1. By the way, do you ever see Mr. Rigby? – Jane Cable by George Barr McCutcheon
  2. Good- by Willum; I'll do as well as I can by her. – Uncle William The Man Who Was Shif'less by Jennette Lee
  3. By that time- well, we shall see what we shall see. – The Princess Virginia by C. N. Williamson A. M. Williamson