| Obsessions | 10 |
| Obsessions: Fr. | 15 |
| Obsessive about | 15 |
| Obsessive cleaners? | 19 |
| Obsessive collector | 19 |
| Obsessive collectors | 20 |
| Obsessive critter | 17 |
| Obsessive enthusiasm | 20 |
| Obsessive fictional skipper | 27 |
| Obsessive hunter of fiction | 27 |
| Obsessive idea | 14 |
| Obsessive literary captain | 26 |
| Obsessive need to check one's email or Facebook, say | 56 |
| Obsessive observer | 18 |
| Obsessive organizers | 20 |
| Obsessive quanitifier | 21 |
| Obsessive sailor | 16 |
| Obsessive seducer | 17 |
| Obsessive thought | 17 |
| Obsessive type | 14 |
| Obsessive whaler | 16 |
| Obsessive whaler of fiction | 27 |
| Obsessive zeal for a single thing | 33 |
| Obsessive, say | 14 |
| Obsessive-compulsive | 20 |
| Obsessive-compulsive soap purger? | 33 |
| Obsidian | 8 |
| Obsidian rock producer | 22 |
| Obsidian source | 15 |
| Obsidian's source | 21 |
| Obsidian, before cooling | 24 |
| Obsidian, e.g. | 14 |
| Obsidian, once | 14 |
| Obsolesce | 9 |
| Obsolescence | 12 |
| Obsolescence, in a way | 22 |
| Obsolescent | 11 |
| Obsolescent alternative to broadband | 36 |
| Obsolescent audio source | 24 |
| Obsolescent belt attachment | 27 |
| Obsolescent carnival prize | 26 |
| Obsolescent communication | 25 |
| Obsolescent communication devices | 33 |
| Obsolescent conjunction | 23 |
| Obsolescent contraction | 23 |
| Obsolescent currency | 20 |
| Obsolescent data holder | 23 |
| Obsolescent dealers | 19 |
| Obsolescent dining facility | 27 |
| Obsolescent directories | 23 |
| Obsolescent disks | 17 |
| Obsolescent eatery | 18 |
| Obsolescent election item | 25 |
| Obsolescent emporia | 19 |
| Obsolescent entrepreneur | 24 |
| Obsolescent farm personnel | 26 |
| Obsolescent file | 16 |
| Obsolescent footwear | 20 |
| Obsolescent Kodak product | 25 |
| Obsolescent letter opener? | 26 |
| Obsolescent mail abbr. | 22 |
| Obsolescent media holder | 24 |
| Obsolescent occupation | 22 |
| Obsolescent office position | 27 |
| Obsolescent office positions | 28 |
| Obsolescent office temp | 23 |
| Obsolescent PC environment | 26 |
| Obsolescent PC monitor type | 27 |
| Obsolescent phone accessory | 27 |
| Obsolescent phone feature | 25 |
| Obsolescent phone part | 22 |
| Obsolescent piano key material | 30 |
| Obsolescent preposition | 23 |
| Obsolescent printer type | 24 |
| Obsolescent receptacle? | 23 |
| Obsolescent refrigerant | 23 |
| Obsolescent roof topper | 23 |
| Obsolescent rooftop fixture | 27 |
| Obsolescent skier's lift with a curved lower part | 53 |
| Obsolescent skill | 17 |
| Obsolescent slope conveyance | 28 |
| Obsolescent storage device | 26 |
| Obsolescent suffix | 18 |
| Obsolescent summoner | 20 |
| Obsolescent symbol | 18 |
| Obsolescent term of address | 27 |
| Obsolescent TV peripherals | 26 |
| Obsolescent type of pad | 23 |
| Obsolescent VCR format | 22 |
| Obsolescent vote finalizer | 26 |
| Obsolescent way to store music | 30 |
| Obsolescent wedding word | 24 |
| Obsolescing PC part | 19 |
| Obsolete | 8 |
| Obsolete "before" | 27 |
| Obsolete "for fear that" | 34 |
| Obsolete anesthetic | 19 |
| Obsolete auxiliary | 18 |
| Obsolete bass lute | 18 |
| Obsolete calculating tool | 25 |