1) All through 2) Along the entire scope of 3) For the duration of 4) For the entire duration of 5) For the period of 6) From first to last 7) Over 8) Through 9) Used to refer to cited works Found on https://www.crosswordclues.com/clue/throughout
• (adv.) In every part; as, the cloth was of a piece throughout. • (prep.) Quite through; from one extremity to the other of; also, every part of; as, to search throughout the house. Found on http://thinkexist.com/dictionary/meaning/throughout/
Through·out' preposition Quite through; from one extremity to the other of; also, every part of; as, to search throughout the house. « Nor to their idle orbs doth sight appear Of sun, or moon, or star, throughout the year.» Milton. Found on http://www.encyclo.co.uk/webster/T/51