›HRused to describe work that is not permanent, or workers that are not employed permanently but only when a company needs them: casual employee/worker/labourerMost casual workers are paid by the day or hour.casual work/jobs/labourAfter leaving school she had a range of casual jobs.She does not intend necessarily to give up work but may work on a casual basis.
›WORKPLACEcasual clothes are informal: casual clothes/dress/attireResearch shows that 90% of US companies now allow casual dress regularly.The style of dress in the office could best be described as business casual rather than formal.