/ Dictionary / Index H happy-go-lucky: Meaning and Definition of Find definitions for: hap•py-go-luck•y Pronunciation: (hap'ē-gō-luk'ē), [key] — adj. trusting cheerfully to luck; happily unworried or unconcerned. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: happy-go-lucky (Thesaurus) happy dust happy hour 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