| IDYLS | • idyls n. Plural of idyl. • IDYL n. a description in verse of country life, also IDYLL. |
| LYSIN | • lysin n. Any substance or antibody that can cause the destruction (by lysis) of blood cells, bacteria etc. • LYSIN n. a substance capable of disintegrating bacteria. |
| LYSIS | • lysis n. (Medicine, pathology) A gradual recovery from disease (opposed to crisis). • lysis n. (Biochemistry) The disintegration or destruction of cells. • lysis n. (Biochemistry) The breakdown of molecules into constituent molecules. |
| SHILY | • shily adv. Archaic form of shyly. • SHY adv. embarrassed, bashful. |
| SIBYL | • sibyl n. A pagan female oracle or prophetess, especially the Cumaean sibyl. • Sibyl prop.n. A female given name from Ancient Greek. • Sibyl prop.n. Alternative letter-case form of sibyl. |
| SILKY | • silky adj. Similar in appearance or texture (especially in softness and smoothness) to silk. • silky adj. Smooth and pleasant; seductive. • silky adj. (Botany) Covered in long, slender, glistening hairs pressed close to the surface; sericeous. |
| SILLY | • silly adj. Laughable or amusing through foolishness or a foolish appearance. • silly adj. (Chiefly Scotland, obsolete) Blessed, particularly… • silly adj. (Now chiefly Scotland and Northern England, rare) Pitiful, inspiring compassion, particularly… |
| SILTY | • silty adj. Having a noticeable amount of silt. • silty adj. Resembling or characteristic of silt. • SILTY adj. full of silt. |
| SLILY | • slily adv. Alternative spelling of slyly. • SLY adv. cunning, wily; surreptitious. |
| SLIMY | • slimy adj. Of or pertaining to slime. • slimy adj. Resembling, of the nature of, covered or daubed with, or abounding in slime. • slimy adj. (Slang, figuratively) Friendly in a false, calculating way; underhanded; two-faced; sneaky; slick; smarmy. |
| SOILY | • soily adj. Covered in soil; earthy. • soily adj. Resembling or characteristic of soil. • soily adj. Dirty; soiled. |
| STYLI | • styli n. Plural of stylus. • STYLUS n. (Latin) a pointed instrument for writing, marking or engraving. |
| SYBIL | • Sybil n. Prophetess; hag. • Sybil prop.n. A female given name from Ancient Greek, the most popular spelling variant of Sibyl since the 19th century. • SYBIL n. (Greek) any of various women in classical antiquity supposed to utter the oracles and prophecies of a god, also SIBYL. |
| SYLIS | • sylis n. Plural of syli. • SYLI n. a former monetary unit of Guinea. |
| YILLS | • YILL v. (Scots) to entertain or delight with ale. |