1. Happy; fortunate; blessed. [Obs.] Chaucer. 2. Harmless; innocent; inoffensive. [Obs.] "This silly, innocent Custance." Chaucer. The silly virgin strove him to withstand. Spenser. A silly, innocent hare murdered of a dog. Robynson (More's Utopia). 3. Weak; helpless; frail. [Obs.] After long storms . . . With which my silly bark was tossed sore. Spenser. The si...