/ Dictionary / Index F fiftypenny: Meaning and Definition of Find definitions for: fif•ty•pen•ny Pronunciation: (fif'tē-pen"ē), [key] — adj. noting a nail 5 in. (14 cm) long. Abbr.: 50d Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fifty-one fifty-second Related Content Daily Word Quiz: jugular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language