What Does CAS Mean?
The Quick Answer
In general chat, CAS means "Casual."More Detail...
Among fans of the Supernatural TV series, it means "Castiel." In the military, CAS means "Close Air Support." In the context of UK immigration, it means "Confirmation of Acceptance for Studies."Casual
On social media and in chat forums, cas is a slang word (pronounced "cazh") which means "casual." Casual is also abbreviated as "casj".Castiel
Among fans of the American TV series Supernatural, Cas refers to Castiel, an angel played by actor Misha Collins.Close Air Support
In a military context, CAS means "Close Air Support." This is action by aircraft against targets that are in close proximity to friendly forces.Confirmation of Acceptance for Studies
In the context of UK immigration, CAS stands for "Confirmation of Acceptance for Studies." This is an electronic record produced by a university produces to support a student visa application.Image for CAS
When I write CAS, I mean this:

"Casual"
Summary of Key Points for the First Definition
"Casual" is, by far, the most common meaning for CAS when it is used in a text. (Bear in mind that it could have another meaning if used in a different context.)CAS | |
---|---|
Definition: | Casual |
Type: | Word (Slang) |
Guessability: | ![]() 2: Quite easy to guess |
Typical Users: | ![]() Adults and Teenagers |
Summary of Key Points for the Second Definition
Among fans of the American TV series Supernatural CAS means "Castiel."CAS | |
---|---|
Definition: | Castiel |
Type: | Abbreviation |
Guessability: | ![]() 4: Difficult to guess |
Typical Users: | ![]() Adults and Teenagers |
Summary of Key Points for the Third Definition
"Close Air Support" is the most common military definition for CAS.CAS | |
---|---|
Definition: | Close Air Support |
Type: | Abbreviation |
Guessability: | ![]() 4: Difficult to guess |
Typical Users: | ![]() Specialists |
Summary of Key Points for the Fourth Definition
In the context of immigration to the UK, "Confirmation of Acceptance for Studies" is the most common definition for CAS.CAS | |
---|---|
Definition: | Confirmation of Acceptance for Studies |
Type: | Abbreviation |
Guessability: | ![]() 4: Difficult to guess |
Typical Users: | ![]() Adults and Teenagers |
Example of CAS Used in a Text
CAS
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