Word.ws English Dictionary

mad-dog

mad-dog is the attributive form of mad dog.

mad-dog is the alternative form of mad dog.

Meaning of mad dog

Noun

mad dog (plural mad dogs)

  1. A rabid dog.
  2. (broadly, figuratively) Someone who is aggressive and fanatical; an aggressor who cannot be reasoned with.
    • Although the enemy saw that they were being hurt, they were such mad dogs that we could by no means prevent their pursuing us1843, Hernán Cortés, translated by George Folsom, Letters and Dispatches of Cortés
  3. A McDonnell Douglas MD-80 series aircraft.

Adjective

mad-dog (comparative more mad-dog, superlative most mad-dog)

  1. Fanatically or irrationally ferocious.
    • It takes a professor to arrive at so mad-dog a state of mind.1908, The Spectator - Volume 100, page 748
    • In the Broad Walk you meet all the people who are worth knowing, and there is usually a grown-up with them to prevent them going on the damp grass, and to make them stand disgraced at the corner of a seat if they have been mad-dog or Mary-Annish.1975, J. M. Barrie, Peter Pan in Kensington Gardens, →ISBN

Forms of mad-dog

Noun
pluralmad-dogs
Adjective
comparativemore mad-dog
superlativemost mad-dog

Phrases with mad-dog

Questions about mad-dog

What does mad-dog mean?
Mad-dog means fanatically or irrationally ferocious.
What is mad-dog the attributive form of?
Mad-dog is the attributive form of mad dog.
What part of speech is mad-dog?
Mad-dog is an adjective.

Words near mad-dog in the dictionary

  1. mad-apples
  2. mad-cap
  3. mad-caps
  4. mad-doctor
  5. mad-doctors
  6. mad-dog
  7. mad-dog skullcap
  8. mad-dogs
  9. mad-on
  10. mad-ons
  11. Mada

Source and license

Adapted from Wiktionary: mad-dog (page history and authors); mad dog (page history and authors). 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.

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