rigid.

1. Not readily adaptable in beliefs, rules, or plans.

2. Stiff and not easily bent or deformed.

Use it for

Words that belong together

• rigid rule
• rigid outlook

On the page

A rigid outlook prevented him from recognizing the changed situation.

Usage notes

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