Definitions

undeterred

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undaunted adj.
untiring adj.

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.

See Examples For:

undeterred

Pillinger, undeterred, proposed a successor, Beagle 3, which ESA rejected in 2004.

From BBC ● Oct. 8, 2026

Still, Gervais remained undeterred, doubling and tripling down on his comedy and delivering a since-viral “I don’t care” monologue during his final hosting stint.

From Salon ● Sep. 8, 2026

Still, fans are undeterred from visiting: Guadalajara, along with Vancouver, boasts the top hotel occupancy rate among all of the tournament’s host cities.

From The Wall Street Journal ● Jun. 11, 2026

Teresa Valdecantos arrived propped up on crutches but was undeterred.

From Barron's ● Jun. 7, 2026

The other Will Grayson doesn't laugh, but Tiny is undeterred.

From "Will Grayson, Will Grayson" by John Green and David Levithan

undeterred

Example Sentences

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