unsharpenable

Cannot be honed

Unsharpenable describes something that cannot be made sharp or sharper.

A blade too damaged or made of unsuitable material might be unsharpenable.

The word extends to figurative sharpness: His mind had grown unsharpenable with age.

Rarely used, but immediately understood.

blunt

dull

Lacking edge or interest

blunted · obtuse · nicked · chipped · unhoned · unground · stubborn · resistant · impervious · hardened

permanence

irreversible

Cannot be undone

unchangeable · unalterable · hopeless · beyond repair · ruined · finished · done for · written off · disposable · throwaway

defective

flawed

Having faults or imperfections

low-quality · substandard · deficient · worthless · unusable · nonfunctional · broken · damaged · imperfect · shoddy

frustration

exasperation

Intense weary annoyance

aggravation · impatience · discouragement · disappointment · futility · helplessness · defeat · giving up · abandonment · struggle

Opposites
capacity for sharpening

unsharpenablesharpenable

Able to take edge

resharpenable · grindable · refinable · improvable · stoppable

Family

sharp, sharpen, sharpens, sharpened, sharpening, sharpener, sharpeners, sharpenable, unsharp

Familiarity
Top 1,000,000
Profile
Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G