jealous.

1. Resentful or anxious about a rival threatening a valued relationship.

2. Unhappy about another person's success, qualities, or possessions.

3. Determined to protect a right, privilege, or possession from interference.

Use it for

Words that belong together

• jealous partner
• jealous suspicion

On the page

Her jealous suspicion grew without any evidence of betrayal.

Usage notes

Primary category: psychology / human behavior. Forms: Comparative more jealous; superlative most jealous 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. Writing functions: character, behavior. Commonness: moderately common.