also: そうゆう · そーゆー · そーいう
pre-noun adjectival
Pre-noun adjectival (rentaishi) used to refer to something previously mentioned or understood from context. Equivalent to 'that sort of' or 'such'.
That kind of thing happens often.
そういう人とは付き合いたくない。
I don't want to associate with people like that.
そういうわけで、今日は休みます。
For that reason, I'll take the day off today.
I've heard that kind of thing before.
He's not that kind of person.
Where do they sell that kind of thing?
こういう points to something near the speaker or just mentioned by the speaker, while そういう points to something near the listener or just mentioned by the listener.
そう言う is an ordinary verb phrase meaning 'to say so/that', while そう言えば is a fixed discourse expression meaning 'now that you mention it'.
そういう refers to something near the listener or just mentioned ('that sort of'), whereas ああいう refers to something more remote from both speakers.
Colloquial variant with irregular kana usage; common in casual speech.