adamant.

Determined not to change an opinion or decision.

Use it for

Words that belong together

• adamant refusal
• adamant that

On the page

She remained adamant that the records should be public.

Usage notes

Primary category: literary / elevated general. Forms: Comparative more adamant; superlative most adamant when comparison is meaningful. 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.