Definitions
1.nounA worker who is only working for a company occasionally, not as its permanent employee.
2.nounA soldier temporarily at a place of duty, usually en route to another place of duty.
3.nounA member of a group of football hooligans who wear expensive designer clothing to avoid police attention; see casual (subculture).
4.nounOne who receives relief for a night in a parish to which he does not belong; a vagrant.
5.nounA player of casual games."The devs dumbed the game down so the casuals could enjoy it."
6.nounA person whose engagement with media is relaxed or superficial.
7.nounA tramp.
8.adjectiveHappening by chance."They only had casual meetings."
9.adjectiveComing without regularity; occasional or incidental."The purchase of donuts was just a casual expense."
10.adjectiveEmployed irregularly."He was just a casual worker."
11.adjectiveCareless.
12.adjectiveHappening or coming to pass without design.
13.adjectiveInformal, relaxed.
14.adjectiveDesigned for informal or everyday use.