in or to every part of; everywhere in: They searched throughout the house.
from the beginning to the end of: He was bored throughout the play.
adverb
in every part: rotten throughout.
at every moment or point: following the text closely throughout.
Origin of throughout
before 1000; Middle English throw out,Old English thurh ūt through and out the other side (of). See through, out
Words nearby throughout
throughly, through one's hat, through one's head, through one's mind, through-other, throughout, throughput, through rose-colored glasses, through stone, through street, through-the-lens meter
around, completely, during, everywhere, far and wide, over, overall, round, high and low, all over, all the time, every bit, everyplace, far and near, from the word go, on all accounts, up and down