/ Dictionary / Index P phrenetic: Meaning and Definition of Find definitions for: phre•net•ic Pronunciation: (fri-net'ik), [key] — adj. frenetic. filled with extreme excitement; fanatic; frenzied. —n. a phrenetic person. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: phrenetic (Thesaurus) phren- -phrenia Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language