Well, most slang words that have been used for a long period of time have been added to the dictionary, but then again, some other slang words have not. So, it really depends on the word.
But, for a straightforward answer i would say yes, just because some slang words are in the dictionary.
~Hope this helped
She's too ashamed to bring her to her poor family.
Explanation:
Conform, with its prefix con-, "with" or "together", means basically "to adopt the form of those around you".
To show how he would affect the theme and the story