Meaning: One who pretends to know many languages.
Pronunciation: Sew-do-poly-glot.
Usage: With a massive vocabulary of 8000 English words, 3 French words, 2 German words and 1 Esperanto word, I passed myself off as a polyglot. But I guess wordminters will call me a pseudopolyglot.
Root: Pseudo (Fake) + Polyglot (One who speaks many languages).