casual

"Oh, no, are you kidding me? He's not my boyfriend, we're just in a casual relationship," means that our relationship lacks serious intent or commitment.

A synonym for casual is "everyday", meaning nothing special, unusual, serious, or eventful. If you're going to your friend's house for a dinner of burgers and beer, they might say, "It's just a casual night at home." Or, "Dress casual, we're just going to be serving ourselves." Don't run out to buy a special outfit, because what you're already wearing is probably just fine. It's what you wear every day, all the time; it's casual. If you treat a person or a subject in a casual way, you're not paying close attention or treating them as special. That's not always a bad thing, by the way.

Primary Meanings of casual

1.
adj
without or seeming to be without plan or method; offhand
2.
adj
hasty and without attention to detail; not thorough
3.
adj
appropriate for ordinary or routine occasions
4.
adj
occurring from time to time
Full Definitions of casual
1

adj without or seeming to be without plan or method; offhand

“a casual remark”
“information collected by casual methods and in their spare time”
Synonyms:
unplanned
without apparent forethought or prompting or planning

adj marked by blithe unconcern

“an ability to interest casual students”
“showed a casual disregard for cold weather”
Synonyms:
insouciant, nonchalant
unconcerned
lacking in interest or care or feeling

adj natural and unstudied

“using their Christian names in a casual way”
Synonyms:
free-and-easy
informal
not formal

adj not showing effort or strain

“a difficult feat performed with casual mastery”
Synonyms:
effortless
easy
posing no difficulty; requiring little effort
2

adj hasty and without attention to detail; not thorough

“a casual (or cursory) inspection failed to reveal the house's structural flaws”
Synonyms:
cursory, passing, perfunctory
careless
marked by lack of attention or consideration or forethought or thoroughness; not careful

adj characterized by a feeling of irresponsibility

“a broken back is nothing to be casual about”
Synonyms:
fooling
light
psychologically light; especially free from sadness or troubles
3

adj appropriate for ordinary or routine occasions

casual clothes”
Synonyms:
daily, everyday
informal
not formal
4

adj occurring from time to time

casual employment”
“a casual correspondence with a former teacher”
Synonyms:
occasional
irregular
contrary to rule or accepted order or general practice

adj occurring or appearing or singled out by chance

“seek help from casual passers-by”
“a casual meeting”
Synonyms:
chance
unplanned
without apparent forethought or prompting or planning

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