A worker who is only working for a company occasionally, not as its permanent employee.
A soldier temporarily at a place of duty, usually en route to another place of duty.
A member of a group of football hooligans who wear expensive designer clothing to avoid police attention; see casual (subculture).
One who receives relief for a night in a parish to which he does not belong; a vagrant.
A player of casual games.
The devs dumbed the game down so the casuals could enjoy it.
A person whose engagement with media is relaxed or superficial.
A tramp.
Happening by chance.
They only had casual meetings.
Coming without regularity; occasional or incidental.
The purchase of donuts was just a casual expense.
Employed irregularly.
He was just a casual worker.
Careless.
Happening or coming to pass without design.
Informal, relaxed.
Designed for informal or everyday use.