Word.ws English Dictionary

Synonyms of sleeper

4 similar words · 3 opposite words

Another word for sleeper is sleeper agent. Other synonyms of sleeper are sleeper hit, sleeper goby and tie.

Synonyms and similar words for sleeper

nounA spy, saboteur, or terrorist who lives unobtrusively in a community until activated by a...

  • sleeper agentA spy who is placed in a target country or organization, not to undertake an immediate mission, but rather to act as a...

nounSomething that achieves unexpected success after an interval of time.

  • sleeper hitA work of entertainment that becomes successful only some time after its launch.

nounAny member of the family Odontobutidae of goby-like bottom-feeding freshwater fish.

  • sleeper goby

nounA railroad tie.

  • tie USA horizontal wooden or concrete structural member that supports and ties together rails.

Opposite of sleeper

nounAn automobile which has been internally modified to excess, while retaining a mostly stock...

  • cop magnetA vehicle that unusually draws police attention, often due to reckless behavior, flashy appearance, or speeding...
  • rice burner
  • racecar

Meaning of sleeper

  1. noun Someone who sleeps.
  2. noun That which lies dormant, as a law.
  3. noun A spy, saboteur, or terrorist who lives unobtrusively in a community until activated by a prearranged signal; may be part of a sleeper cell.

Full definition of sleeper

sleeper in other languages

Questions about synonyms of sleeper

What is another word for sleeper?
Sleeper has 4 synonyms on Word.ws, such as sleeper agent, sleeper hit, sleeper goby and tie.
What is the opposite of sleeper?
The opposite of sleeper is cop magnet. Other antonyms of sleeper are rice burner and racecar.
What does sleeper mean?
Sleeper means someone who sleeps.

Source and license

Adapted from Wiktionary: sleeper (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this page: “Synonyms of sleeper.” Word.ws, https://word.ws/synonyms/sleeper. Based on Wiktionary, CC BY-SA 4.0.