Synonyms of sunny

1 Syllable

light, clear, mild, bright, fine, warms, warm, clears

2 Syllables

halcyon, lucent, shining, warmest, rainless, warmed, fulgid, lighted, sunlit, clearer, booner, see-through, blither, genial, perkier, blithest, cloudless, well-lit, radiant, happy, agleam, shiny, clarion, aglow, warmer, shinier, moonlit, merrier, brightest, grooving, mirthful, perky, zappy, zingy, brilliant, sheeny, lighter, lightest, joyful, milder, brighter, mildest, happiest, cheerful, merry, merriest, zingier, athrill, pleasant, clearest, happier

3 Syllables

estival, summery, panglossian, unworried, relucent, carefree, insouciant, lighthearted, riproaring, fluorescent, scintillant, unclouded, well-lighted, lightsome, auroral, rip-roaring, luminous, ecstatic, demulcent, aestival, sunshiny, irradiant

4 Syllables

rose-colored, optimistic, unobscured, blithesome, saturnalian, lenitive, promiseful, unthreatening, undarkened