trivial.

Too small or unimportant to matter much in the context.

Use it for

Words that belong together

• trivial difference
• trivial detail

On the page

The observed difference was trivial compared with the measurement error.

Usage notes

Primary category: academic / formal. Forms: Comparative more trivial; superlative most trivial 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: analysis, evaluation, qualification. Commonness: moderately common.