| Answer | Crossword Clue |
|---|---|
| DRONED | Used no modulation |
| OBSOLETE | No longer used |
| OLD | No longer used |
| COASTED | Used no power |
| ETHER | Number no longer used |
| OBS | No longer used: Abbr. |
| ETHER | Number no longer used? |
| DRONED | Used no inflection, maybe |
| ETHER | Number that's no longer used |
| ALCATRAZ | Pen that's no longer used |
| OBS | No longer used, as a word: Abbr. |
| CELS | Disney no longer used them after "The Little Mermaid" |
| LSD | Pitcher Dock Ellis claimed to have used this before throwing a no-hitter in 1970 |
