marginally.

1. By a small amount or narrow margin in the relevant comparison.

2. In or by means of a written margin.

Use it for

Words that belong together

• marginally better
• marginally exceed

On the page

The revised method was marginally better on the specified measure.

The estimate marginally exceeded the threshold used for the decision.

Usage notes

Primary category: academic / formal. Forms: Invariable adverb; use more or most only where natural. 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: scope qualification, degree qualification, criteria application, comparison. Disciplines: academic writing, analytical explanation, research interpretation. Commonness: moderately common.