Word Type

Noun

Verb

Proper Noun

The word "sleeper" can be used as noun, verb and proper noun.

Word Relationships

Opposites (Antonyms)

cop magnet

Capable Of

dream dreams dream nightmare snore wind alarm clock

Coordinate Terms

sleepsack

Derived Terms

car-sleeper cold sleeper dark sleeper fat sleeper hot sleeper railway sleeper resleeper rough sleeper short sleeper short-sleeper sleeper account sleeper agent sleeper berth sleeper build sleeper cab sleeper cell sleeper effect sleeper shark sleeper ship sleeperless sleepershark sofa sleeper sofa-sleeper spiny-cheek sleeper spinycheek sleeper super-sleeper

Derived From

sleep

Desires

just right pillow

Etymologically Related To

slape

Context

british carpentry nautical rail transport slang terrorism

Broader Terms (Hypernyms)

achiever article of furniture bang brace bracing carriage coach diversionist furniture hit jammies pajama passenger car percoid percoid fish percoidean piece of furniture pj's pyjama rester saboteur smash smasher spy strike succeeder success terrorist undercover agent winner wrecker

Type Of (IsA)

achiever furniture hit pajamas percoid fish rester saboteur spy terrorist

Not Desires

wake up

Related Terms

achieve activated calf cask community cut dormant earring floorboard goby interval joist law mark nurse shark pajamas prearranged railroad railroad tie saboteur sedative signal sleep sleeper cell sleeping car spy starter success terrorist tier unexpected unobtrusively

Synonym Network

sleeping car tie

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.