enigmatically.

In a mysterious way that leaves the meaning, intention, or explanation unclear.

Use it for

Words that belong together

• smile enigmatically
• remark enigmatically

On the page

She smiled enigmatically and left the envelope on the table.

Usage notes

Primary category: literary / elevated general. Forms: Invariable adverb. 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.