The meaning of MAD is arising from, indicative of, or marked by mental disorder —not used technically. How to use mad in a sentence.

Mad, crazy, insane are used to characterize wildly impractical or foolish ideas, actions, etc. Mad suggests senselessness and excess: The scheme of buying the bridge was absolutely mad. In …

MAD meaning: 1. a word to describe a person who has a mental illness, which was used by doctors in the past but…. Learn more.

To make or become mad; madden. Extremely; very: This place is mad cool. 1. Wildly; impetuously: drove like mad. 2. To an intense degree or great extent: worked like mad; …

If you're mad about something, you've lost your temper. If you've gone mad, you've lost your mind. Just like it's more common to be angry than to be insane, you're more likely to use mad …

Of a person, action, disposition, etc.: uncontrolled by reason or judgement; foolish, unwise. Subsequently only in stronger use (corresponding to the modern restricted application of …

Jun 8, 2025 · mad (comparative madder, superlative maddest) (chiefly British Isles) Insane; crazy, mentally deranged. You want to spend $1000 on a pair of shoes? Are you mad? He's got this …

: to annoy or bother (someone) very much. That noise is driving me mad! Sometimes I think the whole world has gone mad! He had gone mad after years alone in the jungle. The crowd went …

Using mad to mean “angry” has been controversial: as far back as 1781, this use was described as “ not found in any accurate writer, nor used by any good speaker.” British critics who …

MAD meaning: 1. stupid or crazy: 2. angry: 3. to become very angry: . Learn more.