/ Dictionary / Index F fast worker: Meaning and Definition of Find definitions for: fast' work'er Pronunciation: [key] — Informal. Informal. a person who is quick and shrewd in gaining personal advantage: A fast worker, he soon knew everyone who had any pull. a person who charms or fast-talks members of the opposite sex easily. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fastuous fat Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language