Across
1Opposite in the extreme (5)
4Rent it, on paper (5)
7Grasp the point (3)
9Sheltered side of a ship (3)
12In the past (3)
13Gym-honed midsection, informally (3)
16Where the big fights happen (5)
17Stairs, or a plan's stages (5)
Down
1What the doctor ordered (5)
3Bitterly regretted (4)
5Vote in favour (3)
10Illuminated, or slang for excellent (3)
11Put to work (3)
13Road on a map, briefly (3)
14They fill up before curtain (5)
15They pick up every word (4)
Away
1Mint with a hole, or a horseback game (4)
2Untruth, or how the ball sits (3)
3Parts in a play (5)
4Palmer of Twin Peaks (5)
5Take the other side (5)
6Spare, or a film crowd member (5)
7Glasses, or a build sheet (5)
8Lines of seats, or noisy quarrels (4)
12Grow older, or an epoch (3)