indomitable.

Too determined or resilient to be overcome by hardship or opposition.

Use it for

Words that belong together

• indomitable spirit
• indomitable will

On the page

With indomitable patience, he rebuilt the model after the third collapse.

Usage notes

Primary category: literary / elevated general. Forms: Normally non-gradable; no ordinary comparative or superlative. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Commonness: moderately common.