offhandedly

Definitions

In a casual, informal, or unceremonious manner.

Without previous thought or preparation; impromptu.

Examples

He mentioned the change in plans offhandedly, as if it were of no consequence to the rest of the team.

She offhandedly dismissed the criticism, continuing her work without looking up from her desk.

Synonyms

casually informally carelessly impromptu thoughtlessly unceremoniously

Antonyms

deliberately formally thoughtfully intentionally carefully methodically