Mad is the usual word for ‘angry’ in informal American English. In the common vernacular, it translates into "a lot" or "extremely." Mad = Crazy. In British English, the phrase ‘go mad’ means ‘become very angry’: Dad’ll go mad when he sees what you’ve done. For the most part, it … From Longman Dictionary of Contemporary English mad mad / mæd / S2 W3 adjective (comparative madder, superlative maddest) 1 angry [not before noun] informal especially American English ANGRY angry mad at Are you still mad at me? Welcome to Mad English TV! Mad = Angry. mad - WordReference English dictionary, questions, discussion and forums. Note: We have 250 other definitions for MAD in our Acronym Attic. Old English gemǣd(e)d ‘maddened’, participial form related to gemād ‘mad’, of Germanic origin. Definition of mad written for English Language Learners from the Merriam-Webster Learner's Dictionary with audio pronunciations, usage examples, and count/noncount noun labels. All Free. mad: [adjective] good, in reference to talent. 狂 definition at, a free online dictionary with English, Mandarin Chinese, Pinyin, Strokes & Audio. We get mad at each other sometimes, like any family. Mutually assured destruction (MAD) is a doctrine of military strategy and national security policy in which a full-scale use of nuclear weapons by two or more opposing sides would cause the complete annihilation of both the attacker and the defender (see pre-emptive nuclear strike and second strike). new search; suggest new definition; Search for MAD in Online Dictionary Encyclopedia Most predominantly used in the greater New York area, "mad" is an appropriate replacement for Northern California's "hella" and Boston's "wicked." He's got mad skills. English is pretty crazy! Mad = Cool. mad about There’s no need to get mad about it! Main definitions of MAD in English : mad 1 MAD 2 MAD 3 Can be used almost interchangeably with any of the above listed words. See more words with the same meaning: impressive . To stare fixedly at someone in a hostile manner. Look it up now! Sometimes English makes people angry! ‘Go mad’ can also mean ‘go crazy’ or ‘get very excited’. The word "MAD" has several meanings in English. Generally used to convey anger or disdain, can be a signal that a fight is about to happen.