Pronunciation: (mil'i-tāt"), [key]
—v.i., -tat•ed, -tat•ing.
1. to have a substantial effect; weigh heavily: His prison record militated against him.
a. to be a soldier.
b. to fight for a belief.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.