undeterred

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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

But Kindell, despite his frustrations with Picnic, is surprisingly undeterred.

From BBC ● Aug. 27, 2026

The joke fell flat, but Bessent was undeterred.

From Salon ● Jun. 12, 2026

Teresa Valdecantos arrived propped up on crutches but was undeterred.

From Barron's ● Jun. 7, 2026

Nonplussed but undeterred, Cook mailed the documents again.

From Los Angeles Times ● Apr. 13, 2026

Aibileen is still smiling, completely undeterred by anything I’ve said.

From "The Help" by Kathryn Stockett