sunnily,adv.|ˈsʌnɪlɪ| [f. sunny a. + -ly2.] In a sunny manner; chiefly fig. brightly, cheerfully. 1849Tait's Mag. XVI. 105/1 Faces..beamed sunnily with the light of hope.1886Dowden Shelley II. ii. 45 The time from September 20 to September 24 went sunnily by.