unforgiving

adjective

un·​for·​giv·​ing ˌən-fər-ˈgi-viŋ 

1

: unwilling or unable to forgive

2

: having or making no allowance for error or weakness

… an unforgiving environment where false moves can prove fatal.

—Jaclyn Fierman

unforgivingness noun

Examples of unforgiving in a Sentence

They are unforgiving of the smallest mistake.

the unforgiving world of politics

Recent Examples on the Web

Where the short, unforgiving runway is carved into the edge of a cliff, there is no margin for error. —Cecilia Vega, CBS News, 22 Dec. 2025

Producing thick plates consistently, without hidden flaws, at scale is technically demanding and unforgiving. —Christopher McFadden, Interesting Engineering, 21 Dec. 2025

Winter can be harsh and unforgiving and Capricorn’s Cardinal nature mirrors the same perseverance this cold season requires. —Valerie Mesa, PEOPLE, 21 Dec. 2025

Instead of wrestling with rigid fabric or unforgiving zipper closures, this pull-on style slips on with ease (and makes a great maternity option, too). —Mariana Best, Better Homes & Gardens, 15 Dec. 2025

Word History

First Known Use

1713, in the meaning defined at sense 1

Rhymes for unforgiving

• almsgiving
• caregiving
• forgiving
• misgiving
• nonliving
• reliving
• thanksgiving
• giving
• living
• sieving