- Sinuately Adv.
- Sinuously Adv.
- Sinusoidally Adv.
- Sisterlike Adj. Adv.
- Sisterly Adj. Adv.
- Sith Konj. Präp. Adv.
- Sithence Adv. Konj. Präp.
- Situationally Adv.
- Sixfold Adj. Adv.
- Sixthly Adv.
- Sixtieth Adj. Subst. Adv. Num.
- Sizably Adv.
- Sizeably Adv.
- Sizzlingly Adv.
- Skeletally Adv.
- Skelping Subst. Adj. Adv.
- Skeptically Adv.
- Sketchily Adv.
- Skew Verb Subst. Adj. Adv.
- Skilfully Adv.
- Skillfully Adv.
- Skimpily Adv.
- Skin-deep Adj. Adv.
- Skippingly Adv.
- Skittishly Adv.
- Skulkingly Adv.
- Sky-high Adj. Adv.
- Skyward Adj. Adv.
- Slack Adj. Subst. Verb Adv.
- Slackly Adv.
- Slanderously Adv.
- Slangily Adv.
- Slant Subst. Verb Adj. Adv.
- Slantingly Adv.
- Slantwise Adj. Adv.
- Slap Subst. Verb Adv. Adj. Inter.
- Slapdash Adj. Adv. Subst.
- Slashingly Adv.
- Slatternly Adj. Adv.
- Slavelike Adj. Adv.
- Slavishly Adv.
- Sleazily Adv.
- Sleekly Adv.
- Sleepily Adv.
- Sleeplessly Adv.
- Slenderly Adv.
- Slick Adj. Subst. Verb Adv. Adv.
- Slickly Adv.
- Slideways Adv.
- Slightingly Adv.
- Slightly Adv.
- Slily Adv.
- Slimely Adj. Adv.
- Slimily Adv.
- Slimly Adv.
- Slinkily Adv.
- Slippy Adj. Adv.
- Sloppily Adv.
- Slothfully Adv.
- Slouchingly Adv.