- Unsoil Verb
- Unsolder Verb
- Unsound Adj Verb
- Unspecialise Verb
- Unspecialize Verb
- Unsphere Verb
- Unspill Verb Past Participle
- Unspiral Verb Past Participle Pres. Participle
- Unsplit Adj Verb
- Unspool Verb
- Unspring Verb
- Unstack Verb Past Participle
- Unstage Verb
- Unstandardise Verb Past Participle
- Unsteady Adj Verb
- Unsterilise Verb
- Unstick Verb
- Unstint Verb
- Unstinted Adj Verb
- Unstitch Verb
- Unstock Verb Past Participle
- Unstop Verb
- Unstopper Noun Verb
- Unstore Verb
- Unstow Verb
- Unstrap Verb
- Unstress Verb Noun
- Unstrike Verb
- Unstring Verb
- Unsub Noun Verb
- Unsubscribe Verb Noun
- Unswathe Verb
- Unsweep Verb
- Unsweet Adj Verb
- Unsynchronize Verb
- Untaint Verb
- Untangle Verb
- Untape Verb
- Untarnish Verb
- Unteach Verb
- Untell Verb
- Untenant Verb
- Untether Verb Past Participle
- Unthatch Verb Past Participle
- Unthink Verb Pres. Participle Past Participle
- Unthread Verb
- Unthrone Verb
- Untidy Adj Verb
- Untie Verb
- Untighten Verb
- Untread Verb Past Participle
- Untrim Verb
- Untruss Verb Past Participle
- Untuck Verb
- Untune Verb
- Untutor Verb
- Untwine Verb
- Untwist Verb
- Unutter Verb Past Participle
- Unvanquish Verb Past Participle