Smell a rat

usgb
phrase

To suspect that something is wrong or someone is being dishonest.

When the deal seemed too good to be true, he started to smell a rat.
Visual representation of "smell a rat" - To suspect that something is wrong or someone is being dishonest

Often appears as...

  • start to smell a rat
  • i smell a rat

Usage tips

Idiomatic

Definition 1 of 1
Visual representation of "smell a rat"
LampPro Tip 1/3

Suspicion Trigger

Use 'smell a rat' when you feel something is off, especially if you can't yet prove it.

Illustration for Suspicion Trigger
He was late again, and she began to smell a rat.
LampPro Tip 2/3

Informal Use

It's common in casual conversations, not in formal settings or written documents.

Illustration for Informal Use
We all smiled, but privately, I could smell a rat.
LampPro Tip 3/3

Dishonesty Hint

'Smell a rat' implies you suspect dishonesty or deceit, not just that something's wrong.

Illustration for Dishonesty Hint
The accounts didn't add up, making the auditors smell a rat.
Visual representation of the word "Smell a rat"

Never forget "Smell a rat"

Humans forget easily. That's why you should download WordUp: Smart reminders, word games, AI practice, and much more!

Download on the App StoreGet it on Google PlayGet it from MicrosoftGet it on AppGallery
Chrome

WordUp Chrome Extension

As you browse the web instantly look up words you don’t know.

Get Chrome Extension
Back to top