contemporaneous.

Existing, happening, or made during the same period as something else.

Use it for

Words that belong together

• contemporaneous records
• contemporaneous with the event

On the page

Contemporaneous letters complicate the account published fifty years later.

Usage notes

Primary category: academic / formal. Forms: Normally non-gradable; no ordinary comparative or superlative. 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: evidence, comparison. Commonness: moderately common.