Vocabulary Blaster: Tough words defined simply and used in a sentence

You know that feeling when you pick up the Economist, Evening Standard, Atlantic Monthly, etc. and you run across a word that you should know but don't? Vocabular Blaster is designed to be the cure. Vocabulary Blaster is a "rounding-up" and a "sorting out" of such troubling words. Looking to give your vocabulary a boost? it is never too early to start work on building a great vocabulary. A limited vocabulary is an obstacle. Blast it!