Intelligent people often like to use intelligent sounding words. Words like "nonplused", "loquacious" and "limerance" spice up writing and conversation, add beauty to language, and can seem to give the speaker an aura of sophistication. Even those who don't consciously cultivate having a large vocabulary may start to use such words automatically, having read them sufficiently many times in books or articles. Unfortunately, obscure words have a tendency to interfere with communication. Sometim...