1. Carefree and happy and lighthearted
   "a merry blithesome nature"
   - blithe, lighthearted, lightsome, light-hearted

See also: cheerful

• imaginary part
• imaginary part of a complex number
• imaginary place
• imagination
• imagination image
• imaginative
• imaginative comparison
• imaginatively
• imaginativeness
• imagine
• imaging
• imaginings
• imagism
• imago
• imam
• Imamu Amiri Baraka
• imaret
• imaum
• Imavate
• imbalance
• imbalanced
• imbauba
• imbecile
• imbecilic
• imbecility