meltdown
Pronunciation
/ˈmɛɫtˌdaʊn/

Definition & Meaning of "meltdown"in English

Meltdown
01

a disastrous failure or collapse of a system, plan, or situation

Grammatical Information
Animacy status
Abstract
Composition
Compound
Countable
Plural form
meltdowns
Examples
The website had a total meltdown during the product launch.
02

the accident in which the core of a nuclear reactor fails to operate and the fuel melts the container releasing an alarming level of radiation

03

an emotional breakdown caused by stress, fear, or overwhelming pressure

Slang

What does "meltdown" mean in emotional slang?

The term "meltdown" means an emotional breakdown caused by stress, fear, or overwhelming pressure, often resulting in loss of control such as crying, yelling, or panic. The structure is a metaphor borrowed from physical systems overheating and collapsing, extended to describe human emotional overload. It is informal slang commonly used in everyday speech, workplace contexts, and online discussions to describe severe emotional distress or breakdowns in composure.

Examples
She had a full meltdown over the looming project deadline.
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