so

adverb (VERY)

/səʊ/

/soʊ/

Definition

A2 very, extremely, or to such a degree: The house is so beautiful. Thank you for being so patient. Don't be so stupid! I didn't know she had so many children! You can only do so much to help (= there is a limit to how much you can help).UK informal She's ever so kind and nice. I'm so tired (that) I could sleep in this chair! I'm not so desperate as to agree to that. The word itself is so rare as to be almost obsolete.Very and extremeComplete and wholeIntensifying expressions › not standard used before a noun or before 'not' to emphasize what is being said: Don't wear that - it's so last year (= it was fashionable last year but not now). I'm sorry, but she is so not a size 10 (= she is very much larger than a size 10).Very and extremeComplete and wholeIntensifying expressions › used at the end of a sentence to mean to a very great degree: Is that why you hate him so? You worry so!Very and extremeComplete and wholeIntensifying expressions

(Definition of so adverb (VERY) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)