| TWOHEARTS | They beat as one, in a U2 song |
| UNKNOWNCALLER | A telephone nuisance - or a U2 song from 2009? (7,6) |
| TREE | "One ___ Hill" (show named for a U2 song) |
| STS | They have no name in a U2 title: abbr. |
| SINGLETHOUGHT | "Two souls with but a ___ ___, two hearts that beat as one:" John Keats (6,7) |
| IPOD | Device once sold in a U2 Special Edition |
| THRESH | Beat, as one may having crop |
| FLAW | A gust or squall; a breach or crack; or, a defect/imperfection, such as one in a diamond or other gem (4) |
| FARMER | Note compiler in a posh car - as one in a growth industry (6) |
| BOLT | A thunderclap, such as one in a clear blue sky, thus synonymous with a shock or surprise, from out of nowhere (4) |
| LABEL | General name for a tag such as one in a garment displaying laundry symbols, size or the name of the designer (5) |
| LIABLE | Guilty, as one in a car crash |
| SHOVE | Push, as one in a line |
| ETS | Aliens such as one in a Steven Spielberg movie: Abbr. |
| DIAMOND | Some understand I am on duty as one in a suit (7) |
| MAGNETRON | High-power vacuum tube, such as one in a microwave |
| LEVER | About to revel as one in a lock (5) |
| DUPLE | In music, a rhythmic pattern based on a bar containing two main beats, as in a galop or polka (5,4) |
| TIME | In music, a rhythmic pattern based on a bar containing two main beats, as in a galop or polka (5,4) |
| OUTRUN | Beat, as in a race |
