Word.ws English Dictionary

killer

Syllables: kill·erUK/ˈkɪlə//ˈkɪlɚ/

killer noun: one who or that which kills.

Noun

killer (countable and uncountable, plural killers)

  1. One who or that which kills.
    • There’s a killer on the loose.
    • My cat is a habitual bird killer.
  2. (figuratively) That which causes stress or is extremely difficult, especially that which may cause failure at a task.
    • That test was a killer.
    • The final hill in the race course was a killer.
  3. (figuratively) Something that is so far ahead of its competition that it effectively kills off that competition.
    • Digital streaming platforms are CD killers.
  4. (archaic or by ellipsis) 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...1734, Royal society of London, The Philosophical Transactions and Collections: Abridged and Disposed Under General Heads, Volume 9, Thomas Bennet, …, page 429
    • This skull, which has all the appearance of being that of a full-grown animal, is just one quarter the length and breadth of the skull of the adult common Killer (Orca gladiator).1866, Gray, Catalogue of Seals and Whales in the British Museum, Volume 1, page 283
  5. (figuratively) 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.”2004, David Mitchell, “Half-Lives: The First Luisa Rey Mystery”, in Cloud Atlas, →ISBN, page 130
    • Picture perfect, you don't need no filter / Gorgeous, make 'em drop dead, you're a killer2020, “Intentions”, in Changes, performed by Justin Bieber ft. Quavo
  6. (uncountable) A knockout form of darts or pool involving several players.
  7. A club used for killing fish.
  8. A particularly heavy type of handstamp, or portion of one, often obscuring a large part of the postage stamp.
  9. 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...1992, Andy Daniels, Joe Becker, “Unicode Technical Report #1 - Burmese, Khmer, and Ethiopia”, in Unicode Consortium
    • For example, although the ‘vowel killer’ diacritic may be called a ‘pulli’ in Tamil, it is still referred to by the Unicode character names as a ‘virama’.2002, Richard Ishida, “An Introduction to Indic Scripts”, in W3C
    Synonyms:
    virama

Adjective

killer (comparative more killer, superlative most killer)

  1. (slang) Excellent, very good, cool.
    • killer feature
    • killer view
  2. Causing death, destruction, or obliteration.
    • killer bee
    • killer robot
  3. Distressing, uncomfortable.
    • I had a killer headache this morning.

killer meaning in Hindi, Tamil, Urdu and Bengali

killer in Hindi

murderer, person who kills
हत्यारा hatyārā, ख़ूनी xūnī, क़ातिल qātil
a diacritic mark
विराम virām

killer in Tamil

a diacritic mark
புள்ளி puḷḷi

killer in Urdu

murderer, person who kills
قاتِل qātil, کُشِنْدَہ kuśinda, خُونی xūnī

killer in Bengali

murderer, person who kills
খুনী khuni, কাতেল katel
a diacritic mark
হসন্ত hośonto
More languagesFewer languages
killer in Telugu
హంతకుడు, కిల్లర్, హంతకుడిని
killer in Malayalam
ചന്ദ്രക്കല candrakkala
killer in Kannada
ಕೊಲೆಗ, ಕುಲಿ, ಕೊಲೆಗಾರ, ತಲೆಯಳಿಗ
killer in Punjabi
ਕਤਲ ਕਰਨ ਵਾਲਾ
killer in Gujarati
કાતિલ kātil
killer in Odia
ହଳନ୍ତ haḷanta
killer in Sanskrit
घातक ghātaka
killer in Nepali
हत्याकर्ता
killer in Pashto
قاتل qātél, خوني xuní
killer in Arabic
قَاتِل qātil, قَاتِلَة qātila
killer in Malay
pembunuh
killer in Indonesian
pembunuh
killer in Thai
ฆาตกร kâat-dtà-gɔɔn, การันต์ gaa-ran
killer in Vietnamese
kẻ giết người, người giết
killer in Myanmar
အသတ် a.sat

Examples of killer in a sentence

  • Carbon monoxide is a silent killer.
  • Theſe Killers are from twenty to thirty Feet long, and have Teeth in both Jaws that lock one within another.1734, Royal society of London, The Philosophical Transactions and Collections: Abridged and Disposed Under General Heads, Volume 9, Thomas...
  • Fig. 188.—Grampus or Killer, Orca gladiator. (Flower, art.1891, William Thomas Blanford, Fauna of British India, Including Ceylon and Burma: Mammalia, Taylor & Francis, page 576:
  • We once saw an attack made by three killers upon a cow whale and her calf, in a lagoon on the coast of California in the spring of 1858.1895, The Royal Natural History, Volume 3, Frederick Warne, page 55:
  • Few animals known to man possess the savage and murderous nature of the small whale-like animals known as killers or orcas.1908, Charles Frederick Holder, Big Game at Sea, Outing publishing Company, page 137:

Synonyms of killer

30 more synonymsFewer synonyms

Antonyms

All synonyms and antonyms of killer

Forms of killer

Noun
pluralkillers
Adjective
comparativemore killer
superlativemost killer

Origin of killer

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

Words formed from killer

Phrases with killer

28 more phrasesFewer phrases

Words that rhyme with killer

29 more rhymesFewer rhymes

Questions about killer

What does killer mean?
Killer means one who or that which kills.
What is killer in Hindi?
Killer in Hindi is हत्यारा (hatyārā), ख़ूनी (xūnī), क़ातिल (qātil). See Killer meaning in Hindi.
How do you use killer in a sentence?
Carbon monoxide is a silent killer.
What part of speech is killer?
Killer can be a noun or an adjective.
How do you pronounce killer?
Killer is pronounced /ˈkɪlə/ (UK).
What is the plural of killer?
The plural of killer is killers.

Words near killer in the dictionary

  1. Killen
  2. Killenaule
  3. Killenberg
  4. Killenbergs
  5. Killens
  6. killer
  7. killer app
  8. killer application
  9. killer applications
  10. killer apps
  11. killer bee

Source and license

Adapted from Wiktionary: killer (page history and authors); killer (Telugu, IndicTrans2 machine translation) (model and license); killer (Kannada Wiktionary) (page history and authors); killer (Punjabi, IndicTrans2 machine translation) (model and license); કાતિલ (Gujarati) (page history and authors); killer (Nepali, IndicTrans2 machine translation) (model and license). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: en-us-killer.ogg.

Cite this entry: “killer.” Word.ws, https://word.ws/killer. Based on Wiktionary, CC BY-SA 4.0.