unforced.

Not strained, pressured, or made to happen artificially.

Use it for

Words that belong together

• an unforced smile
• unforced humor

On the page

An unforced smile passed between them as the train pulled away.

Usage notes

Primary category: literary / elevated general. Forms: Comparative more unforced; superlative most unforced 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: description, character. Commonness: moderately common.