| 18%, maybe | 10 |
| 18+ | 3 |
| 18, 19 and 20 in a series | 25 |
| 18, 19 and 20 of a series | 25 |
| 18, 19, and 20 of a series | 26 |
| 18, e.g., as a minimum for voting | 33 |
| 18, for a Park Avenue on Park Ave. | 34 |
| 18- or 19-string instrument | 27 |
| 18-0 baseball win, e.g. | 23 |
| 18-20 in a sequence | 19 |
| 18-20 in a series | 17 |
| 18-20 in the alphabet | 21 |
| 18-and-over | 11 |
| 18-and-overs | 12 |
| 18-footer, maybe | 16 |
| 18-hole game | 12 |
| 18-hole outing | 14 |
| 18-hour garment | 15 |
| 18-season Mariner Martinez | 26 |
| 18-time Oscars host | 19 |
| 18-wheeled equipment mover | 26 |
| 18-wheeler | 10 |
| 18-wheeler section | 18 |
| 18-wheeler, briefly | 19 |
| 18-wheeler, e.g. | 16 |
| 18-wheelers | 11 |
| 18-wheelers, essentially | 24 |
| 18-yard box, in soccer | 22 |
| 18-yr.-old high schoolers, usually | 34 |
| 180 | 3 |
| 180 deg. from WSW | 17 |
| 180 degree maneuver | 19 |
| 180 degree turn, in slang | 25 |
| 180 degree turn, slangily | 25 |
| 180 degrees from a Hitchcock classic? | 37 |
| 180 degrees from NNE | 20 |
| 180 degrees from NNW | 20 |
| 180 degrees from norte | 22 |
| 180 degrees from SSE | 20 |
| 180 degrees from SSW | 20 |
| 180 degrees from sur | 20 |
| 180 degrees from WNW | 20 |
| 180 degrees from WSW | 20 |
| 180 from WSW | 12 |
| 180 hung by a motorist | 22 |
| 180 is its max. score | 21 |
| 180 on the road | 15 |
| 180 steps a minute | 18 |
| 180's | 9 |
| 180's, slangily | 19 |
| 180, casually | 13 |
| 180, familiarly | 15 |
| 180, for short | 14 |
| 180, slangily | 13 |
| 180, so to speak | 16 |
| 180-degree direction change | 27 |
| 180-degree lenses | 17 |
| 180-degree maneuver | 19 |
| 180-degree turn | 15 |
| 180-degree turn, familiarly | 27 |
| 180-degree turn, in slang | 25 |
| 180-degree turn, slangily | 25 |
| 180-degree turns, for short | 27 |
| 180-degree turns, in slang | 26 |
| 180-degree turns, slangily | 26 |
| 180-mile French river | 21 |
| 180-year-old in Genesis | 23 |
| 1800 | 4 |
| 1800's U.S. Army rifle | 26 |
| 1800's, e.g.: Abbr. | 23 |
| 1800, 1900, 2000 | 16 |
| 1800s Chinese general now found on menus | 40 |
| 1800s law-enforcement family name | 33 |
| 1800s marshal associated with poker's "dead man's hand" | 73 |
| 1800s Mexican leader Juárez | 30 |
| 1800s transports | 16 |
| 1804 duel loser | 15 |
| 1804 duel winner | 16 |
| 1804 duelist | 12 |
| 1804 symphony | 13 |
| 1804 symphony that includes a funeral march | 43 |
| 1805 Beethoven symphony | 23 |
| 1805 musical premiere | 21 |
| 1805 Napoleonic victory site | 28 |
| 1805 Vienna premiere | 20 |
| 1807 Wordsworth poem | 20 |
| 1808 resignee as U.S. senator | 29 |
| 1809-65 guy | 11 |
| 180° from NNW | 16 |
| 180° from norte | 18 |
| 180° from SSW | 16 |
| 180° from WNW | 16 |
| 180° from WSW | 16 |
| 180° reversal | 16 |
| 180° turn | 12 |
| 180° turn, slangily | 22 |
| 180° turns, slangily | 23 |
| 180º from WNW | 16 |
| 180s | 4 |
| 1811 battle site | 16 |