| Memorable captain's name that's a sign backwards |
NEMO |
| Mississippi quartet |
ESSES |
| Monitored, as an exam |
PROCTORED |
| Multilevel, as wedding cakes |
TIERED |
| Nice summers |
ETES |
| Notable Titanic casualty |
ASTOR |
| Observes |
SEES |
| Part of PBR |
PABST |
| Peppery root |
RADISH |
| Pigeon sound |
COO |
| Pizza Hut competitor |
DOMINOS |
| Really tough, as tasks |
ONEROUS |
| Red and Black |
SEAS |
| Rig on the road |
SEMI |
| Scot's cap |
TAM |
| Second drafts, say |
REWRITES |
| See 56-Across |
VEGGIES |
| Sell |
VEND |
| Sewn line |
SEAM |
| Slippery __: risky course of action |
SLOPE |
| Sounds from sties |
SNORTS |
| Stead |
LIEU |
| Stir up |
RILE |
| Teen woe |
ACNE |
| Thelma portrayer Davis |
GEENA |
| Thumbs-down reviews |
PANS |
| Together |
ASONE |
| Tough-to-get-out-of situation |
TRAP |
| Trooper automaker |
ISUZU |
| Typically tricolored ice cream dessert |
SPUMONI |
| Understood |
GOT |
| Unmitigated joy |
GLEE |
| Unrefined sort |
BOOR |
| Walks aimlessly |
TRAIPSES |
| Wheel teeth |
COGS |
| With 58-Across, salad fixings ... and what you'll find aptly hidden in puzzle rows 4, 6 and 10 |
CHOPPED |
| Witty Wilde |
OSCAR |
| __ curls: arm exercises |
BICEP |
| __ Island Rams: Atlantic 10 conference baseball team |
RHODE |