Pronunciation: (in-dif'ur-un-tiz"um, -dif'run-), [key]
1. systematic indifference.
3. the principle or opinion that differences of religious belief are essentially unimportant.
4. Philos.the doctrine that each entity is essentially unique and at the same time essentially the same as all other entities of its kind.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.