/ Dictionary / Index T threepenny: Meaning and Definition of Find definitions for: three•pen•ny Pronunciation: (thrip'u-nē, threp'-, thrup'- thrē'pen&secē), [key] — adj. of the amount or value of threepence. of little worth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: threepenny (Thesaurus) threepence three-phase Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language