sleeper

"My little brother is a very deep sleeper. "

"The new student's quiet demeanor made her a sleeper in the debate club; her powerful arguments weren't apparent until the later rounds. "

"For years, the friendly neighbor was just Mr. Henderson, but after receiving a coded message, he was revealed to be a sleeper activated to disrupt the city's power grid. "

"My daughter lost her earring, so she wore a sleeper to keep her piercing open. "

"We spent a night on an uncomfortable sleeper between Athens and Vienna."

"The wrestler used a sleeper hold to subdue his opponent. "

"A box-office bomb when it first came out, the film was a sleeper, becoming much more popular decades after being released."

"The aquarium keeper carefully added a small sleeper fish to the community tank. "

"The marine biologist studied the sleeper shark in the aquarium. "

"Aaron, Devin, and Laura looked so comfy in their sleepers."

"The sleek, black car was a sleeper; it looked like a normal family sedan, but under the hood was a powerful engine. "

"The doctor prescribed a sleeper to help Mrs. Jones sleep through the night. "

"The rancher decided to sleeper the newly born calf so he could easily identify it later. "

"The train rumbled loudly as it passed over each sleeper beneath the tracks. "

"The construction worker carefully positioned the sleeper on the joists before attaching the floorboards. "

"The shipwright carefully inspected each sleeper in the hull to ensure the ship's structural integrity. "

"The warehouse workers carefully checked the sleeper, ensuring the stack of barrels wouldn't collapse. "