/ Dictionary / Index L loner: Meaning and Definition of Find definitions for: lon•er Pronunciation: (lō'nur), [key] — n. a person who is or prefers to be alone, esp. one who avoids the company of others: He was always a loner--no one knew him well. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: loner (Thesaurus) lonely-hearts lonesome Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language