The thin end of the wedge

phrase

A small and seemingly unimportant action or event that will lead to much larger and more serious developments or consequences.

Many think his appointment is the thin end of the wedge and will lead to more radical changes.
Visual representation of "the thin end of the wedge" - A small and seemingly unimportant action or event that will lead to much larger and more serious developments or consequences.

Often appears as...

  • at the thin end of the wedge
  • is the thin end of the wedge

Usage tips

Idiomatic

phrase

A small and seemingly unimportant action or event that will lead to much larger and more serious developments or consequences.

Many think his appointment is the thin end of the wedge and will lead to more radical changes.
Visual representation of "the thin end of the wedge" - A small and seemingly unimportant action or event that will lead to much larger and more serious developments or consequences.

Often appears as...

  • at the thin end of the wedge
  • is the thin end of the wedge

Usage tips

Idiomatic

Definition 1 of 1
Visual representation of "the thin end of the wedge"
LampPro Tip 1/3

Slippery Slope

Suggests a step that leads to a series of negative events, often irreversible.

Illustration for Slippery Slope
Allowing students to use phones in exams is the thin end of the wedge, next they'll want open book tests.
LampPro Tip 2/3

Small Cause

A minor or initial action that causes a significant impact over time.

Illustration for Small Cause
Skipping one class may seem innocent, but it's the thin end of the wedge for poor academic performance.
LampPro Tip 3/3

Idiomatic Warning

Used as a cautionary statement about the start of a potential problem.

Illustration for Idiomatic Warning
This minor leak is the thin end of the wedge for future plumbing disasters in the building.
LampPro Tip 1/3

Slippery Slope

Suggests a step that leads to a series of negative events, often irreversible.

Illustration for Slippery Slope
Allowing students to use phones in exams is the thin end of the wedge, next they'll want open book tests.
LampPro Tip 2/3

Small Cause

A minor or initial action that causes a significant impact over time.

Illustration for Small Cause
Skipping one class may seem innocent, but it's the thin end of the wedge for poor academic performance.
LampPro Tip 3/3

Idiomatic Warning

Used as a cautionary statement about the start of a potential problem.

Illustration for Idiomatic Warning
This minor leak is the thin end of the wedge for future plumbing disasters in the building.
LampPro Tip 1/3

Slippery Slope

Suggests a step that leads to a series of negative events, often irreversible.

Illustration for Slippery Slope
Allowing students to use phones in exams is the thin end of the wedge, next they'll want open book tests.
LampPro Tip 2/3

Small Cause

A minor or initial action that causes a significant impact over time.

Illustration for Small Cause
Skipping one class may seem innocent, but it's the thin end of the wedge for poor academic performance.
LampPro Tip 3/3

Idiomatic Warning

Used as a cautionary statement about the start of a potential problem.

Illustration for Idiomatic Warning
This minor leak is the thin end of the wedge for future plumbing disasters in the building.
Visual representation of the word "The thin end of the wedge"

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