Synonyms for Throughout:

adj.

during the whole of (adjective)
from beginning to end, over, to the end, up and down, around, in everything, from the word go, in all respects, at full length, inside and out, round, every bit, completely, everywhere, in every place, from one end to the other, on all accounts, During, for the duration, all over.

adv.

everywhere (adverb)
inside and out.
while (adverb)
all along, in the meantime, During, up until, for the time being, in the course of, meantime, up to, meanwhile, till, often, yet, for now, always.

adv

around (adverb)
all over.
everywhere (adverb)
in every place.
while (adverb)
all along, in the meantime, During, up until, for the time being, in the course of, meantime, up to, meanwhile, till, often, yet, for now, always.

n.

everywhere, by, along, ahead, from top to bottom, in every place, up to the brim, down to the ground, up and down, inside and out, in all respects, after, beyond, in everything, to the end, all over, hide and hair, from beginning to end, at full length, about, every bit, from one end to the other, from the word go, on all accounts, across, apart, completely, before, head and shoulders. part, round, within, over, in the midst of something, in, at, for the duration, around, through. throughout (noun)
passim.

Other synonyms:

everywhere. through. within, over. by. at. in. all the time
along.
surrounding
around.
Other relevant words:
from beginning to end, around, inside and out, on all accounts, across, in everything, to the end, through, all over, completely, at full length, passim, in every place, in all respects, everywhere, for the duration, within, head and shoulders, in, from the word go, from one end to the other, over, every bit, about, along, round.

Usage examples for throughout

  1. The feast lasted throughout the night, and the gray dawn of early morning appeared in the sky before Terah's friends thought of rising from the table. – Jewish Fairy Tales and Legends by Gertrude Landa
  2. After resting for a few minutes, they went down again, and this diving was repeated throughout the day until the dinghies contained a large quantity of shells. – The Second String by Nat Gould
  3. 4tos give 'Angellica' throughout – The Works of Aphra Behn, Vol. I (of 6) by Aphra Behn