| User of a menu | 14 |
| User of a line and hook | 23 |
| User of a certain lounge | 24 |
| User of "little gray cells" | 37 |
| User interface | 14 |
| User fee | 8 |
| User | 4 |
| Usenet messages | 15 |
| Usenet message repository | 25 |
| Uselessly | 9 |
| Useless; ineffective | 20 |
| Useless: Slang | 14 |
| Useless, in the U.S.? | 21 |
| Useless, as chatter | 19 |
| Useless, as a battery | 21 |
| Useless venture | 15 |
| Useless tic-tac-toe row | 23 |
| Useless tic-tac-toe line | 24 |
| Useless things | 14 |
| Useless stuff | 13 |
| Useless search | 14 |
| Useless project, figuratively | 29 |
| Useless project | 15 |
| Useless personnel | 17 |
| Useless person | 14 |
| Useless people | 14 |
| Useless items | 13 |
| Useless item in a closet | 24 |
| Useless growths | 15 |
| Useless growth | 14 |
| Useless gift | 12 |
| Useless footwear | 16 |
| Useless effort | 14 |
| Useless condition | 17 |
| Useless but costly object | 25 |
| Useless bit of finery | 21 |
| Useless argument | 16 |
| Useless activity | 16 |
| Useless | 7 |
| Usefulness, so to speak | 23 |
| Usefulness | 10 |
| Useful, based on Haydn? | 23 |
| Useful words | 12 |
| Useful wordprocessing feature | 29 |
| Useful word processor feature | 29 |
| Useful word processing feature for newbies | 42 |
| Useful word processing feature | 30 |
| Useful type of hitch in a pickup truck, or an undesired part of a social circle | 79 |
| Useful tip for puzzle-solving? | 30 |
| Useful tip | 10 |
| Useful things | 13 |
| Useful thing for someone taking a dive? | 39 |
| Useful thing for dirty pans | 27 |
| Useful thing for dealing with oily fishes | 41 |
| Useful thing | 12 |
| Useful talent | 13 |
| Useful tag-on from Latin | 24 |
| Useful suggestions | 18 |
| Useful skills | 13 |
| Useful skill | 12 |
| Useful seaweed | 14 |
| Useful Scrabble tile | 20 |
| Useful Scrabble piece? | 22 |
| Useful receptacle | 17 |
| Useful quality for a mariner | 28 |
| Useful quality | 14 |
| Useful plastic | 14 |
| Useful plants | 13 |
| Useful plant | 12 |
| Useful piece of code, briefly | 29 |
| Useful picnic beast | 19 |
| Useful palm stem | 16 |
| Useful opener? | 14 |
| Useful online tally | 19 |
| Useful musical ability | 22 |
| Useful mineral | 14 |
| Useful military person | 22 |
| Useful microorganisms | 21 |
| Useful metallic element | 23 |
| Useful menu command for fallible folks | 38 |
| Useful Latin phrase | 19 |
| Useful Latin abbreviation | 25 |
| Useful Latin abbr. | 18 |
| Useful Lat. finale | 18 |
| Useful items during a blackout | 30 |
| Useful item accompanying a face card in blackjack | 49 |
| Useful item | 11 |
| Useful insect secretion | 23 |
| Useful info at Dulles | 21 |
| Useful husband, say | 19 |
| Useful hunting companion | 24 |
| Useful humor? | 13 |
| Useful guy to have around | 25 |
| Useful gizmo | 12 |
| Useful gift when looking for an apartment? | 42 |
| Useful gas | 10 |
| Useful fungi | 12 |
| Useful feature | 14 |
| Useful facts, in casual conversation | 36 |
| Useful facts | 12 |