Definitions

undeterred

ADJECTIVE

undaunted

Synonyms

STRONGEST

fearless indomitable steadfast

WEAK

audacious coming on strong courageous dauntless fire-eating gallant icy intrepid not discouraged not put off resolute spunky unafraid unalarmed unapprehensive undiscouraged undismayed unfaltering unflinching unshrinking valiant valorous

Antonyms

WEAK

cowardly shrinking

ADJECTIVE

untiring

Synonyms

WEAK

constant continued continuing dedicated devoted dogged eager beaver fireball firm go-go grind hyper incessant indefatigable indomitable inexhaustible jumping patient perky persistent pertinacious plodding plugging resolute staunch steady strong tenacious tireless unceasing unfailing unfaltering unflagging unflinching unremitting unstinted unswerving unwavering unwearied

Antonyms

WEAK

failing irresolute tiring unpersevering

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Undeterred, Bordeaux quickly seized control, and while a Cameron Woki try was ruled out for a hand in touch, Lucu struck for the Top 14 side after Robbie Henshaw was pinged for offside.

From BBC • May 23, 2026

Undeterred by Conan's early second-half try, Wales hit back through James Botham and retained hope of completing a huge shock.

From BBC • Mar. 6, 2026

Undeterred by his misfortune two holes earlier, Bridgeman began the back nine with a birdie at No. 10 and an eagle at No. 11 to give himself a four-shot cushion.

From Los Angeles Times • Feb. 21, 2026

Undeterred, activists in Minneapolis have sought to turn the tables by creating "Defrost MN," a searchable database of ICE vehicles active in the city.

From Barron's • Feb. 2, 2026

Undeterred by his weight she fed the hens, gathered eggs, fetched water, then sat at the table stringing dried mushrooms.

From "The Incredible Journey" by Sheila Burnford

undeterred

Example Sentences

Related Words