/ Dictionary / Index S slacker: Meaning and Definition of Find definitions for: slack•er Pronunciation: (slak'ur), [key] — n. a person who evades his or her duty or work; shirker. a person who evades military service. an esp. educated young person who is antimaterialistic, purposeless, apathetic, and usually works in a dead-end job. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: slacker (Thesaurus) slacken slack-jawed Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language