noun :: A lover and collector of books.
"Jill, a true bibliophile, had dozens of rare first editions."
verb :: To uproot.
"Building the Three Gorges Dam would deracinate many families who lived in the valley."
adj :: Not normal or usual.
"The savant has preternatural ability to calculate large sums in his head."
adj :: Precise and meaningful.
"The professor's pithy remark made everyone understand."
noun :: One who makes a show of knowledge.
"John is an annoying pedant who bores people with his useless facts."