/ Dictionary / Index T t.l.o.: Meaning and Definition of Find definitions for: t.l.o. Pronunciation: [key] — Insurance. Insurance. total loss only. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Tlinkit TLR Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language