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

See also: cheerful

• short shrift
• short sleep
• short sleeve
• short story
• short subject
• short temper
• short time
• short ton
• short wave
• short whist
• Short's aster
• short-beaked
• short-billed
• short-billed marsh wren
• short-bodied
• short-change
• short-circuit
• short-dated
• short-eared
• short-haired
• short-handed
• short-handled
• short-headed
• short-horned grasshopper
• short-lived