casual
adjective
uk/ˈkæʒjuəl/ us/ˈkæʒuəl/ HR
used to describe work that is not permanent, or workers that are not employed permanently but only when a company needs them:
casual employee/worker/labourer Most casual workers are paid by the day or hour.
casual work/jobs/labour After 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.
WORKPLACE
casual clothes are informal:
casual clothes/dress/attire Research 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.
casual
noun
UK uk/ˈkæʒjuəl/ us/ˈkæʒuəl/ [ C ] HR
a worker who is not employed permanently but only when a company needs them:
On the whole, semi-skilled and unskilled positions are filled by casuals.
casuals [ plural ]
WORKPLACE
informal clothing:
Last January, the firm dispensed with any requirement to wear business suits and about half the staff now opt for casuals.