unstoppable

[uhn-stop-uh-buhl] / ʌnˈstɒp ə bəl /

ADJECTIVE

irrepressible

Synonyms

STRONGEST

boisterous buoyant ebullient exuberant rebellious uncontrollable unrestrained

WEAK

bubbling bubbly enthusiastic inextinguishable insuppressible rhapsodical unconstrained uncontainable unmanageable unquenchable unrestrainable unruly

Antonyms

STRONGEST

controllable restrained

WEAK

depressed despondent grave

ADJECTIVE

relentless

Synonyms

STRONGEST

determined dogged ferocious fierce harsh implacable inexorable rigorous ruthless single-minded uncompromising unforgiving unrelenting unyielding

WEAK

adamant bound bound and determined dead set on go for broke grim hang in hang-tough hard inflexible inhuman mortal obdurate pitiless remorseless rigid stiff stop-at-nothing strict stringent unappeasable unbending undeviating unflinching vindictive

Antonyms

STRONGEST

compassionate easy flexible gentle irresolute kind lenient merciful mild nice nonviolent peaceful remorseful sympathetic tame tender yielding

WEAK

ending intermittent stopping understanding

ADJECTIVE

relentless

Synonyms

STRONGEST

incessant nonstop persistent punishing sustained tenacious unflagging unrelenting unremitting

WEAK

pertinacious unabated unbroken unfaltering unrelieved

Antonyms

STRONGEST

intermittent relenting surrendering yielding

WEAK

ending kind merciful stopping sympathetic understanding

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.

Argentina's World Cup quarter-final win over England in 1986 witnessed two of the most famous goals in history - Diego Maradona's 'Hand of God' and the mesmerising, unstoppable dribble from his own half.

From BBC • Jun. 1, 2026

It’s a combination of mastery and an unstoppable spirit of adventure that I think make him unique.

From Los Angeles Times • May 25, 2026

This was not just another win for the seemingly unstoppable Red Roses.

From BBC • May 17, 2026

You watch Embiid when he’s humming and you’re like: Jeez, this guy may be the most unstoppable player in the sport.

From The Wall Street Journal • May 4, 2026

Einstein quickly realized that with atomic bombs, Adolf Hitler would be absolutely unstoppable.

From "Bomb" by Steve Sheinkin

unstoppable

Example Sentences

Related Words