1. Cheerfully irresponsible
   - carefree, freewheeling, happy-go-lucky, harum-scarum, slaphappy 
2. Marked by a carefree unconventionality or disreputableness
   - raffish, rakish

See also: irresponsible, unconventional

• error handling
• error message
• error-prone
• errorless
• ersatz
• Erse
• Erskine Caldwell
• Erskine Preston Caldwell
• erst
• erstwhile
• ERT
• Eruca
• Eruca sativa
• Eruca vesicaria sativa
• eruct
• eructation
• erudite
• eruditely
• eruditeness
• erudition
• erumpent
• erupt
• eruption
• eruptive
• Erving