| COSTLIEST | • costliest adj. Superlative form of costly: most costly. • COSTLY adj. expensive. |
| FALSETTOS | • falsettos n. Plural of falsetto. • FALSETTO n. (Italian) an artificially high voice. |
| GLOTTISES | • glottises n. Plural of glottis. • GLOTTIS n. (Greek) the opening between the vocal chords. |
| LEFTMOSTS | • LEFTMOST n. the location or direction of the left side. |
| PISTOLETS | • pistolets n. Plural of pistolet. • PISTOLET n. (historical) a small pistol. |
| SEXTOLETS | • sextolets n. Plural of sextolet. • SEXTOLET n. a group of six notes performed in the time of four. |
| SILTSTONE | • siltstone n. A sedimentary rock whose composition is intermediate in grain size between the coarser sandstone and… • SILTSTONE n. a rock formed of hardened silt. |
| STEPSTOOL | • stepstool n. A stool with built-in steps for climbing onto it, used for reaching high objects. • step␣stool n. A stool of various designs with one or more steps; in some designs the steps may be folded away underneath… • STEPSTOOL n. a stool able to be used as a step. |
| STILETTOS | • stilettos n. Plural of stiletto. • STILETTO n. (Italian) a narrow dagger. |
| STOLIDEST | • stolidest adj. Superlative form of stolid: most stolid. • STOLID adj. impassive, unemotional. |
| THROSTLES | • throstles n. Plural of throstle. • THROSTLE n. the song-thrush. |
| TOOTHLESS | • toothless adj. Having no teeth. • toothless adj. (Figuratively) Weak; having no ability to enforce something. • TOOTHLESS adj. without teeth. |
| TOTALISES | • totalises v. Third-person singular simple present indicative form of totalise. • TOTALISE v. to make complete, also TOTALIZE. |
| TROTHLESS | • trothless adj. (Archaic) false; treacherous. • TROTHLESS adj. faithless, false. |
| TROUTLESS | • troutless adj. Without trout. • TROUTLESS adj. without trout. |
| WASTELOTS | • WASTELOT n. an unused lot of land in a built-up area. |