Using SO and SUCH, Definition and Examples We can say about “So” and “Such” that; Both of them usually have the same meaning “very”. Both of them show extremes. We can use both of them to add emphasis to the sentence. Although they have some similarities, there are some main differences in their use in the sentence. So + Adjective Mark seems so unhappy. So + Adverbs She speak so quicly. So + Judgemental Adjective It is so rainy outside! So + Much/Many/Few/Little + Noun There are so few cars in the parking lot. Such + a/an + Adjective