insouciancein‧sou‧ci‧ance /ɪnˈsuːsiəns/ noun [uncountable] formal 
a cheerful feeling of not caring or worrying about anything SYN nonchalance: 
an air of insouciance—insouciant adjective—insouciantly adverb
a cheerful feeling of not caring or worrying about anything SYN nonchalance: an air of insouciance—insouciant adjective—insouciantly adverb- Hardy Boys
- Hardy, Oliver
- hardy perennial
- Hardy, Thomas
- hare
- Hare and the Tortoise, The
- hare-brained
- Hare Krishna
- harelip
- harem
- harem pants
- Hargreaves, James
- haricot
- Hari, Mata
- hark
- harken
- Hark! The Herald Angels Sing
- Harlem
- Harlem Globetrotters
- harlequin
- Harlequin Romance
- Harley-Davidson
- Harley Street
- harlot
- harm