killer

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killer

  • /ˈkɪlə/ UK
  • [ˈkʰɪlə] UK
  • /ˈkɪlɚ/ US
  • [ˈkʰɪlɚ] ~ [ˈkʰɪlɹ̩] US

Rhymes with -ɪlə(ɹ)

Where it comes from

From Middle English killer, kyller. By surface analysis, kill + -er.

noun killers

  1. countable, uncountable One who or that which kills. There’s a killer on the loose.
  2. countable, figuratively, uncountable That which causes stress or is extremely difficult, especially that which may cause failure at a task. That test was a killer.
  3. countable, figuratively, uncountable Something that is so far ahead of its competition that it effectively kills off that competition. Digital streaming platforms are CD killers.
  4. countable, uncountable The killer whale. Theſe Killers are from twenty to thirty Feet long, and have Teeth in both Jaws that lock one within another. They have a Fin, near the middle of their Backs, four or five Foot long. They go in Company by Dozens, and ſet upon a young Whale, and will bait him like ſo many Bull-dogs; ſome will lay hold
  5. countable, figuratively, uncountable A remarkably impressive person or thing. The head of the Environmental Protection Agency quakes with mirth at his own punch line. Grimaldi chuckles through his teeth. “A killer, Tom, an absolute killer.”
  6. uncountable A knockout form of darts or pool involving several players.
  7. countable, uncountable A club used for killing fish.
  8. countable, uncountable A particularly heavy type of handstamp, or portion of one, often obscuring a large part of the postage stamp.
  9. countable, uncountable Synonym of virama (“kind of diacritical mark”). In the course of its adaptation to non-Indo-Aryan languages, the Burmese script has acquired some features that distinguish it from other Indic scripts. The killer, or virama, participates in some common constructions that would be clumsy to handle the way they would be in the other Indic scripts, s

    Similar: virama

Similar: homicide, homicider, killer · Opposite: healer, life giver

adjective more killer · most killer

  1. slang Excellent, very good, cool. killer feature

    Similar: ace, admirable, amazing, awe-inspiring, awesome, badass, broyal, bang on, bang-up, studly, based, beatific

  2. Causing death, destruction, or obliteration. killer bee
  3. Distressing, uncomfortable. I had a killer headache this morning.

Thesaurus

Closest in meaning: slayer, sea wolf, orca, killer whale, grampus, orcinus orca, murderer, cutthroat, murderous, homicidal, homicide, kill, killing, executioner, hitman, lethality

noun

Similar: homicide, homicider, killer · Opposite: healer, life giver

Translations

Every language

noun murderer, person who kills

Españolmatador, matadora
한국어살인자 sarinja
日本語殺人者 satsujinsha, キラー kirā, 人殺し hitogoroshi
中文殺手 /杀手 shāshǒu, 兇手 /凶手 xiōngshǒu, 殺人犯 /杀人犯 shārénfàn
हिन्दीहत्यारा hatyārā, ख़ूनी xūnī, क़ातिल qātil
Kiswahilimwuaji
Portuguêsassassino, assassina, homicida
Françaistueur, tueuse, assassin, assassine, meurtrier, meurtrière
DeutschTöter, Töterin, Totschläger, Totschlägerin, Killer, Killerin
Italianoassassino, assassina, uccisore, uccisora, ucciditrice, killer
Ελληνικάφονιάς foniás, φόνισσα fónissa, δολοφόνος dolofónos, δολοφόνισσα dolofónissa
Românăucigaș, ucigașă, asasin, asasină
Русскийуби́йца ubíjca, ки́ллер kíller
Tiếng Việtkẻ giết người, người giết
العربيةقَاتِل qātil, قَاتِلَة qātila
עבריתרוֹצֵחַ \ רוצח rotséakh

noun something that causes death

Françaismortel, fatal
Ελληνικάθανατηφόρος thanatifóros

noun a diacritic mark

हिन्दीविराम virām

adj Causing death, destruction, or obliteration.

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MLA

"killer." Wiktionary, via Micwyn, micwyn.com/word/killer. Accessed 6 Nov. 2026.

APA

killer. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/killer

Chicago

"killer." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/killer.

BibTeX
@misc{killer_2026,
  title = {killer},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/killer},
  urldate = {2026-11-06}
}