| Text | Length |
| Oranjestad setting | 18 |
| One way to be sick | 18 |
| Out past the buoys | 18 |
| On naval maneuvers | 18 |
| On an ocean voyage | 18 |
| Out with the fleet | 18 |
| On a deck, perhaps | 18 |
| On the Red or Dead | 18 |
| On the Baltic, say | 18 |
| On the Aegean, say | 18 |
| On a schooner, say | 18 |
| Olive's cousin | 18 |
| Opponent for Laver | 18 |
| Olive family trees | 18 |
| Opposite of aboard | 18 |
| One of 3.5 billion | 18 |
| One of 3.9 billion | 18 |
| Onstage digression | 18 |
| Offered as a price | 18 |
| One with questions | 18 |
| Out for the night? | 18 |
| Out at the switch? | 18 |
| Old coin of Turkey | 18 |
| Once-sacred snakes | 18 |
| One who is charged | 18 |
| Office aide: Abbr. | 18 |
| Office title abbr. | 18 |
| One removing doubt | 18 |
| On the wrong track | 18 |
| One-time connector | 18 |
| One thing ___ time | 18 |
| One difficult task | 18 |
| Opportunity to hit | 18 |
| One way to be held | 18 |
| On ___ (carousing) | 18 |
| On ___ (rampaging) | 18 |
| On _____ (binging) | 18 |
| Outlawed explosion | 18 |
| Old fallout source | 18 |
| One beyond belief? | 18 |
| Olympic competitor | 18 |
| On familiar ground | 18 |
| One one's toes | 18 |
| Overburdened Titan | 18 |
| Old-time strongman | 18 |
| One passing notes? | 18 |
| Observe Yom Kippur | 18 |
| On the pinnacle of | 18 |
| Old Gillette brand | 18 |
| Old Gillette razor | 18 |
| Of a heart chamber | 18 |
| One way to be lost | 18 |
| On a cruise, maybe | 18 |
| Off-roader (Abbr.) | 18 |
| Off-rd. conveyance | 18 |
| One for the books? | 18 |
| Opie's watcher | 18 |
| Of ears or hearing | 18 |
| Opening-night call | 18 |
| Opposite of manual | 18 |
| Opel or Citroën | 18 |
| Obsolescent eatery | 18 |
| One for the money? | 18 |
| Order on the water | 18 |
| Online chat images | 18 |
| Old Roman greeting | 18 |
| Old Roman welcomes | 18 |
| Opening for birds? | 18 |
| Openly acknowledge | 18 |
| Overflowing (with) | 18 |
| On vacation, often | 18 |
| Open-mouthed state | 18 |
| Opposite of smooth | 18 |
| Off-base illegally | 18 |
| Off base, in a way | 18 |
| Over-the-hill G.I. | 18 |
| Off-base, in a way | 18 |
| Off base illegally | 18 |
| Oiler's target | 18 |
| One side of a vote | 18 |
| Old empire members | 18 |
| Ovine conversation | 18 |
| Oscar-nominee film | 18 |
| Ones in the woods? | 18 |
| One of the B's | 18 |
| One's interest | 18 |
| Opposite of hurrah | 18 |
| Orange alternative | 18 |
| Owls' hangouts | 18 |
| Overdone, in a way | 18 |
| Old fashioned bill | 18 |
| One kind of relief | 18 |
| Of the lowest kind | 18 |
| Opposite of treble | 18 |
| Outcrop, in mining | 18 |
| One of the strings | 18 |
| Old Paris landmark | 18 |
| Off-shore fortress | 18 |
| Oktoberfest locale | 18 |
| Okefenokee feature | 18 |
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