rancorous.

Full of lasting bitterness or hostile resentment.

Use it for

Words that belong together

• rancorous dispute
• rancorous exchange

On the page

The meeting became rancorous as each side revived earlier accusations.

Usage notes

Primary category: psychology / human behavior. Forms: Comparative more rancorous; superlative most rancorous 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.