Definitions

1. adjective

not formal or official; informal

“The casual atmosphere of the coffee shop made it a popular spot for friends to hang out.”

2. noun

a person who dresses in casual clothing

“The store sold casual wear for both men and women.”

3. noun

a sporting event, especially a game of tennis, that is not a formal competition

“The tennis tournament was a casual match between friends.”

4. adverb

in a casual manner or style

“She worked casually to maintain a balance between her job and personal life.”