This document defines 20 words: dilettante, vacillate, shibboleth, bucolic, collusion, pedantry, chary, tyro, refulgent, redolent, imperturbable, vituperative, peregrination, calumniate, increment, unremitting, acclamation, paroxysm, paltry, and mandate. For each word it provides a definition and in some cases examples of usage.