Words such as propinquity, armillary, and farrago should be vocabulary staples. Consult "Pocket Posh Word Power: 120 Words You Should Know" to determine other additions to your lexicon.

This "Pocket Posh Word Power" collection promises a gargantuan vocabulary boost inside an effortlessly portable, ergonomic package that features fun cover embellishments, an elastic band closure, and a convenient lay-flat binding. In addition, each entry provides pronunciation, part of speech, definition, usage in a sentence, and etymology information.

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Wordnik is a place for all the words, and everything known about them. Their goal is to show you as much information as possible, as fast as they can find it, for every word in English, and to give you a place where you can make your own opinions about words known.