sleeper

Noun

1. Someone who sleeps.
2. That which lies dormant, as a law.
3. A spy, saboteur, or terrorist who lives unobtrusively in a community until activated by a prearranged signal; may be part of a sleeper cell.
4. A small starter earring, worn to prevent a piercing from closing.
5. A railway sleeping car.
6. A sleeper hold.
7. Something that achieves unexpected success after an interval of time.
8. Any of family Odontobutidae of goby-like bottom-feeding freshwater fish.
9. A nurse shark (family Ginglymostomatidae).
10. A type of pajama for a person, especially a child, that covers the whole body, including the feet.
11. (slang) An automobile which has been internally modified to excess, while retaining a mostly stock appearance in order to fool opponents in a drag race, or to avoid the attention of the police.
12. (slang) A sedative.
13. (slang) A bet placed on the gambling table and then forgotten about by the gambler.
14. A pod or similar device containing a person in cryosleep.

Verb

To mark a calf by cutting its ear.

Opposite of

cop magnet, rice burner, racecar

Pronounced as (IPA)

/ˈsliːpə(ɹ)/

Etymology

Cognate with Norwegian: sleip

In summary

From Middle English sleper, equivalent to sleep + -er.

Synonyms

tie

sleeping car

railroad tie

crosstie

sleeper goby

wagon-lit

slumberer

joist

Pullman

cross tie

beam

cross tie

day bed

dormouse

drawing room

dreamer

factor

general agent

home run

mole

nightclothes

nightgown

nightie

operative

prosperity

setting

skid

sleeping-place

sleepyhead

slugabed

smasher

smash hit

socket

studio couch

submarine

agent

triumph

😤

wow

ground beam

late riser

lie-abed

sleeping-accomodation

sofa bed

Arvicola

upsetter

sleeping carriage

sleeper agent

agentive role

pj’s

bed timber

Translations

traverse

Schwelle

Schläfer

dormeur

durmiente

😴

Schlafwagen

traversina

wagon-lit

vagone letto

slaper

traviesa

dormiente

podkład

dwarsligger

Bahnschwelle