| Answer | Crossword Clue |
|---|---|
| SLOOP | It only has one mast |
| BLINDALLEY | It has only one way in |
| YESNOQUESTION | It has only two possible responses |
| LOWRISEBUILDING | It has only a few stories |
| RYDERCUP | The U.S. has won it only twice since 1993 |
| hindsight | Understanding of a situation or event only after it has happened or developed |
| paracrine | Of, relating to, or denoting a hormone that has effect only in the vicinity of the gland secreting it |
| vaporware | Software or hardware that has been advertised but is not yet available to buy, either because it is only a concept or because it is still being written or designed |
