casually
adv.in a relaxed way without much effort or planning. You use this when you are doing something for fun or wearing comfortable clothes rather than being serious or formal.
adv.in a relaxed, informal, or non-serious manner; without premeditation or significant commitment.
“They dressed casually for the weekend party.”
“She mentioned the news casually during lunch, as if it weren't a big deal at all.”
“The witness claimed to have seen the suspect walking casually toward the station, showing no signs of the urgency one might expect from someone fleeing a crime scene.”
Typically follows the verb it modifies or appears at the end of the clause.
Learners often use the adjective form 'casual' instead of the adverb 'casually' to modify a participle or verb.
From Middle English casually, casuelly, casuali, casuely, equivalent to casual + -ly.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.