1. comparative form of sunny; having more sunshine or brighter weather
2. comparative form of sunny; more cheerful, optimistic, or pleasant in disposition

Examples

• Today is sunnier than yesterday.
• The weather forecast shows sunnier skies ahead.
• She has a sunnier outlook on life than her brother.
• The kitchen looks sunnier with the new yellow paint.
• His mood became sunnier after hearing the good news.
• The sunnier side of the house gets more light.
• Her sunnier personality makes her popular with coworkers.