/ Dictionary / Index H hellion: Meaning and Definition of Find definitions for: hel•lion Pronunciation: (hel'yun), [key] — n. Informal. a disorderly, troublesome, rowdy, or mischievous person. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hellion (Thesaurus) Hellinger hellish Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language