English Reference

Word

unstoppable

Phoneticsun·stop·pable

US/ənˈstɑpəbəɫ/

UK/ʌnstˈɒpəbəl/

Definition

adj. impossible to stop or prevent from moving forward. You use it to describe someone or something that has so much power or energy that nothing can get in the way.

adj. incapable of being halted, obstructed, or defeated. Often used to describe physical momentum, social trends, or a person's rise to success.

Examples

“The team's momentum made them feel unstoppable.”

“Once the heavy rain started, the mudslide became an unstoppable force that destroyed everything in its path.”

“The candidate's rise in the polls seemed unstoppable, as even the most seasoned political analysts struggled to find a strategy that could effectively counter her popular appeal.”

Examples

simple

“The team's momentum made them feel unstoppable.”

contextual

“Once the heavy rain started, the mudslide became an unstoppable force that destroyed everything in its path.”

complex

“The candidate's rise in the polls seemed unstoppable, as even the most seasoned political analysts struggled to find a strategy that could effectively counter her popular appeal.”

Usage

Typically used as a predicative adjective after linking verbs like 'seem' or 'become', or attributively before a noun.

Real-World Examples

“They had deserved it too: “The energy was unstoppable,” Villarreal coach Iñigo Pérez admitted.”
The Guardian · 17 Aug 2026
“I look forward to the next match-up." Hodgkinson twice got the better of Werro during her unstoppable indoor campaign - including to land her first world title in March.”
BBC News · 15 Aug 2026

Etymology

From un- + stoppable.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry

Level
B2 · Upper Intermediate
Frequency
Frequent
Updated

Scan code

englishreference.com/q/unstoppable

English Reference