- Unroofed Adj
- Unrooted Adj Past Participle
- Unrotten Adj
- Unround Adj Verb
- Unrounded Adj Past Participle
- Unrouted Adj
- Unroving Adj
- Unroyal Adj
- Unruffled Adj Past Participle
- Unruled Adj Past Participle
- Unruly Adj
- Unruptured Adj Past Participle
- Unrushed Adj Past Participle
- Unsaddled Adj Past Participle
- Unsafe Adj
- Unsainted Adj Past Participle
- Unsalable Adj
- Unsalaried Adj
- Unsaleable Adj
- Unsalted Adj Past Participle
- Unsalvageable Adj
- Unsanctified Adj Past Participle
- Unsanctioned Adj Past Participle
- Unsanitary Adj
- Unsaponifiable Adj Noun
- Unsated Adj Past Participle
- Unsatisfactory Adj
- Unsatisfiability Noun Adj
- Unsatisfiable Adj
- Unsatisfied Adj Past Participle
- Unsatisfying Adj
- Unsaturated Adj
- Unsaturation Noun Adj
- Unsaved Adj Noun
- Unsavory Adj
- Unsawn Adj Past Participle
- Unsayable Adj
- Unscalable Adj
- Unscaled Adj Past Participle
- Unscared Adj
- Unscarred Adj
- Unscathed Adj
- Unscattered Adj Past Participle
- Unscented Adj Past Participle
- Unscheduled Adj Past Participle
- Unscholarly Adj
- Unschooled Adj Past Participle
- Unscientific Adj
- Unscientifical Adj
- Unscorched Adj Past Participle
- Unscrambler Noun Adj
- Unscratched Adj Past Participle
- Unscreened Adj
- Unscripted Adj Noun Past Participle
- Unscriptural Adj
- Unscrupulous Adj
- Unsealed Adj
- Unsealer Noun Adj
- Unseaming Adj Noun
- Unsearchable Adj