Solutions
Across: 9 feebler, 10 assault, 11 abeam, 12 supernova, 13 rehashed, 14 batman, 17 husband, 19 avenger, 20 ran dry, 21 aspirant, 24 Emmenthal, 27 learn, 28 own goal, 29 in vitro.
Down: 1 affair, 2 lederhosen, 3 llamas, 4 crescendo, 5 lamp, 6 username, 7 euro, 8 strainer, 15 Magna Carta, 16 mansplain, 17 horsebox, 18 at random, 22 in love, 23 tendon, 25 mini, 26 hale.