- Alternative spelling of
- 1749, Henry Fielding, The History of Tom Jones, a Foundling, London: A[ndrew] Millar, OCLC 928184292:
- When she was drest, therefore, down she went, resolved to encounter all the horrors of the day, and a most disagreeable one it proved; for Lady Bellaston took every opportunity very civilly and slily to insult her […]
- 1851, Herman Melville, Moby-Dick
- So when they were working that evening at the pumps, there was on this head no small gamesomeness slily going on among them, as they stood with their feet continually overflowed by the rippling clear water […]
- 1899, Knut Hamsun, Hunger, translated by George Egerton, Part II, page 103
- I lie there on the stretcher-bed and laugh slily, but say nothing; give vent to no opinion one way or the other.