Let alone

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conjunction

Used to emphasize that something is more unlikely or impossible when something less likely has already been mentioned.

I can't afford a vacation, let alone a trip around the world.
Visual representation of "let alone" - Used to emphasize that something is more unlikely or impossible when something less likely has already been mentioned

Often appears as...

  • can't afford...let alone
  • can't manage...let alone

Usage tips

Idiomatic

Definition 1 of 2
Visual representation of "let alone"
LampPro Tip 1/3

Increasing Improbability

Use 'let alone' to highlight a progression from something improbable to even more so.

Illustration for Increasing Improbability
He's not ready to run a 5k, let alone a marathon.
LampPro Tip 2/3

Contrast Stressed

'Let alone' emphasizes contrast, not a comparison for similarities.

Illustration for Contrast Stressed
She won't eat vegetables, let alone try exotic foods.
LampPro Tip 3/3

Stark Contrast

The phrase often points to extreme differences between two elements.

Illustration for Stark Contrast
They struggle to boil water, let alone cook a three-course meal.
Visual representation of the word "Let alone"

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