unrelenting

adjective

un·​re·​lent·​ing ˌən-ri-ˈlen-tiŋ 

1

: not softening or yielding in determination : hard, stern

an unrelenting leader

2

: not letting up or weakening in vigor or pace : constant

the unrelenting struggle

unrelentingly

ˌən-ri-ˈlen-tiŋ-lē 

adverb

Synonyms of unrelenting

• adamant
• stubborn
• steadfast

Examples of unrelenting in a Sentence

that professor tends to be unrelenting about deadlines

unrelenting in the pursuit of equality for all races

Recent Examples on the Web

From dealing with symptom flare-ups and unrelenting fatigue to following strict medication schedules, managing a health condition that no one in your circle relates to can be incredibly isolating. — Katie Camero, Condé Nast Traveler, 15 July 2026

Illnesses from the parasite are assumed to be an undercount since many people who get cyclosporiasis, which causes unrelenting diarrhea, cramping and bloating, may be embarrassed to see a doctor or may try to wait out their symptoms at home. — Brenda Goodman, CNN Money, 13 July 2026

Right now, we are mired in the deep, unrelenting lull of the sporting calendar. — Dieter Kurtenbach, Mercury News, 9 July 2026

In that world, the pervasiveness of AI will only be greater, the capabilities more cutting-edge, and the attacks from bad actors and resulting demand for cybersecurity unrelenting. — Zev Fima, CNBC, 7 July 2026

Word History

First Known Use

1590, in the meaning defined at sense 1

Rhymes for unrelenting

• circumventing
• complementing
• complimenting
• implementing
• orienting
• ornamenting
• reinventing
• representing
• absenting
• assenting
• augmenting
• cementing

Kids Definition

unrelenting

adjective

un·​re·​lent·​ing ˌən-ri-ˈlent-iŋ 

1

: not softening or giving in easily : hard, stern

2

: not letting up or weakening in energy or pace

our unrelenting struggle for freedom

unrelentingly adverb