mad as a mongoose

9.9

Very angry and unable to stay calm

idiom

Informal

: furioso como un mangosta

After hearing the news, he became mad as a mongoose and slammed the door shut.

Examples

The coach was mad as a mongoose after the team lost the important match.
She was mad as a mongoose when she realized her phone was stolen.
He was mad as a mongoose when he found out.
Why is she mad as a mongoose today?
When he discovered that someone had lied to him, he became mad as a mongoose and confronted his friend.
She was mad as a mongoose after finding out that her project was rejected without explanation.
The teacher was mad as a mongoose when the students ignored the rules during the exam.

Synonyms

angry

vsmad as a mongoose

∞ 1.0

Feeling very annoyed or upset

is a higher, agitated, and furious condition than regular displeasure

mad

vsmad as a mongoose

∞ 1.0

Feeling angry or upset with someone

is a more extreme, highly agitated and furious state than general anger

furious

vsmad as a mongoose

238 3.0

Very angry and ready to shout or complain

is more about intense agitation and frenzy than outward explosions

pissed off

vsmad as a mongoose

Informal

197 8.6

Very angry or annoyed

is a stronger, more agitated fury beyond informal irritation

outraged

vsmad as a mongoose

27 4.1

Feeling very angry and shocked because something seems unfair

is general furious agitation not specifically tied to injustice

irate

vsmad as a mongoose

23 5.3

Very angry and showing it

is more physical and agitated rather than a formal complaint

livid

vsmad as a mongoose

19 5.5

Very angry and hard to calm

focuses more on agitation and frantic state rather than severity alone

ticked off

vsmad as a mongoose

Informal

5 7.9

Feeling angry or annoyed about something

is a much stronger and more agitated state than brief annoyance

rageful

vsmad as a mongoose

1 4.8

Feeling very angry and likely to shout or lose control

is more about visible agitation and restlessness than inner rage

infuriated

vsmad as a mongoose

1 4.5

Feeling very angry because someone treated you unfairly

is general intense agitation not only tied to provocation

pissed

vsmad as a mongoose

Informal

1 8.4

Feeling very angry or annoyed

is more intensely agitated and furious than casual annoyance

boiling mad

vsmad as a mongoose

Informal

1 4.8

Feeling very angry

describes an already agitated, furious state rather than slow buildup

mad as a meat axe

vsmad as a mongoose

Archaic

1 9.9

Very angry and acting without thinking

is intensely agitated but does not always imply violent action

mad as a wet hen

vsmad as a mongoose

Informal

1 9.8

Very angry or upset

is a stronger furious state rather than just being upset

enraged

vsmad as a mongoose

4.1

Very angry and likely to act violently

is more about visible agitation and furious behavior than private rage

rip-snorting mad

vsmad as a mongoose

Informal

9.5

Being very angry and hard to calm

is equally intense but emphasizes noisy agitation rather than slang tone

maddened

vsmad as a mongoose

5.2

Very angry and acting out of control

is very agitated but does not insist on complete loss of control

apoplectic with rage

vsmad as a mongoose

8.8

Very angry and unable to control your words or actions

is very angry but does not imply bodily loss of control

mad as a cut snake

vsmad as a mongoose

Australian

9.9

Feeling extremely angry and acting wildly

is furious and agitated but may lack the wild, irrational acting

mad as hops

vsmad as a mongoose

Archaic

9.9

Feeling very angry and showing it

is similar but focuses on the actual agitated emotional state

mad enough to chew nails

vsmad as a mongoose

Archaic

9.9

Very angry and ready to do something extreme

is focused on present agitation rather than imagined extreme acts

wild as a wet hen

vsmad as a mongoose

Informal

9.4

Feeling very angry and upset

is equally agitated but not always frantic or moving wildly

angry as a wet hen

vsmad as a mongoose

9.9

Feeling very angry and upset

is typically more intense and furious than a common upset

angered

vsmad as a mongoose

2.5

Feeling very furious because someone did something unfair or rude

is more intensely agitated and furious rather than general displeasure

Antonyms

calm

735 1.0

Not showing strong feelings and being very still

How Angry

mad as a mongoose

Informal

9.9

furious

238 3.0

angry

∞ 1.0

annoyed

77 1.0

irritated

44 3.1

Surface Forms

mad as a mongoose positive

Morphology

mad + as + a + mongoose

The simile structure 'mad as a ____' plus the clear meaning of 'mad' and comparative 'as' lets a B1 learner infer an intensified state of anger, so the overall sense ('extremely angry') is partly recoverable from the parts. However, 'mongoose' does not inherently signal anger to many learners and the specific animal choice is uncommon, so the exact force and idiomaticity are not fully predictable without prior exposure.

Etymology

Mad as a mongoose comes from the image of a small, fierce animal, the mongoose, which fights snakes and can look wild when it defends itself. So saying someone is 'mad as a mongoose means they are 'extremely angry'.