Words that aren't in someone's limited vocabulary, so they accuse you of trying to "sound intelligent" when what they really mean is, clearly you are more intelligent than I am, and I should pick up a dictionary.
Or any other book.
Synonyms for big words
On this page, you will find 30 slang terms related to big words. Some of the top words include: Proactive, smarts, intelligence, Wittyful, Herre, and 25 more.