/ Dictionary / Index B boffin: Meaning and Definition of Find definitions for: bof•fin Pronunciation: (bof'in), [key] — n. Brit. Slang. a scientist or technical expert. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: boffin (Thesaurus) boff boffo Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language