The definition for clarity is "Clearness." Used in a sentence: The refreshing water in the mountain stream was remarkable for its clarity. The definition for brandish is "to shake or wave menacingly.", the definition for scamper is "To run quickly.", and the definition for placebo is "An inactive substance used in medical testing."

The definition for catastrophic is "Relating to extreme misfortune." Used in a sentence: The effects of the massive hurricane were catastrophic. The definition for diffident is "lacking self–confidence.", the definition for disconcert is "To throw into confusion.", and the definition for heed is "To pay attention to."

The definition for accessible is "Easy to reach or to approach." Used in a sentence: The introduction to the complex novel was, thankfully, written in clear accessible language. The definition for incumbent is "necessary as a duty or responsibility.", the definition for onset is "Beginning.", and the definition for epitaph is "Brief statement honoring a dead person."

The definition for polarize is "To break up into opposing groups." Used in a sentence: Thelma tended to polarize discussions rather than to encourage compromise. The definition for induce is "to influence or cause.", the definition for garish is "Offensively bright.", and the definition for procrastinate is "To put off intentionally."

The definition for derivative is "Lacking originality." Used in a sentence: Critics panned the movie as a derivative version of last year's Best Picture. The definition for aesthete is "person having or affecting sensitivity to beauty.", the definition for combustion is "Act of burning.", and the definition for disconcert is "To throw into confusion."