/ Dictionary / Index U Unfederated Malay States: Meaning and Definition of Find definitions for: Unfed'erated Ma'lay States' Pronunciation: [key] a former group of five states in the Malay Peninsula, under indirect British control and forming a part of the former Federation of Malaya: now part of the federation of Malaysia. 24,347 sq. mi. (63,059 sq. km). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. unfazed unfeeling Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language