Cut off the LEG of an ill custom

Meaning & Analysis

To eliminate or halt the support (the 'leg') of a bad habit or harmful tradition, thereby preventing it from continuing or spreading.

Insights

Disruption of Harmful Habits

Urges direct intervention against entrenched but negative practices, suggesting that without active resistance, bad customs will persist unchallenged.

Structural Deactivation

Compares a bad custom to a creature or machine with legs—cutting off one implies dismantling its means of movement or power, rendering it inert or ineffective.

Symbolic Amputation

Implies that moral or social progress requires decisive and even painful action—removing part of what sustains a negative legacy or behavior.

Custom as Living Metaphor

By giving the 'ill custom' a leg, the proverb animates it—making it feel alive, mobile, and capable of agency. This anthropomorphism reflects how traditions gain self-sustaining momentum unless interrupted.

Moral Courage and Reform

Encourages moral bravery in confronting ingrained societal or personal patterns. The cutting action suggests reform is not passive but requires deliberate, often disruptive, change.

Echoes of Broader Proverbial Wisdom

Closely aligned with related proverbs like 'A cask and an ill custom must be broken,' it participates in a tradition of aphorisms that equate longstanding habits with structural faults—calling for destruction rather than tolerance.

Rhetorical Devices

Metaphor

Equates customs with legged beings, turning intangible practices into embodied figures that can be dismembered—making the call to action visceral and vivid.

Imperative Syntax

Framed as a directive ('cut off'), the phrase functions like a moral command, giving it rhetorical force and ethical urgency.

Synecdoche

The 'leg' stands in for the mechanism or support system of the custom as a whole, allowing a part to symbolize the destructive process necessary to neutralize the whole.

customhabitreformmetaphoractionmorality
Analyzed with gpt-4o on July 10, 2025

Original Scan

Cut off the LEG of an ill custom - a scanned entry from Tilley's 1950 Dictionary of Proverbs.
Scan courtesy of HathiTrust Digital Library.
Used under CC BY-NC 3.0.

© 2026 TilleyProverbs.com · About

Last updated: January 27, 2026