sporadically.

At irregular, scattered times rather than continuously or consistently.

Use it for

Words that belong together

• sporadically reported
• sporadically occurring

On the page

The issue was sporadically reported across the archive.

The event occurred sporadically rather than at a fixed interval.

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: institutional and conceptual change, philosophical orientation, qualification of recurrence and degree. Disciplines: academic writing, philosophy, cross-disciplinary analysis. Commonness: moderately common.