preposition, adverb, adjective
Examples from the Web for thru
Thru the GOP convention, the "customers" were the rabid right activist base of his own party.
"Thru use to a greater use," is the motto of the Forest Service.Wood and Forest|William Noyes
Thru the years some who have cared for the buildings stood out.The Kirk on Rutgers Farm|Frederick Brckbauer
He who haint got an enemy on arth, kant show a friend that will stick to him thru thik and thin.The Complete Works of Josh Billings|Henry W. Shaw