The definition for combustion is "Act of burning." Used in a sentence: Campers must use fire with great caution to prevent combustion of the parched brush. The definition for colossal is "immense, enormous.", the definition for procrastinate is "To put off intentionally.", and the definition for iridescent is "Having a lustrous or attractivve quality."

The definition for pantomime is "Telling a story through gestures." Used in a sentence: The jealous actress called her understudy's performance a ridiculous pantomime. The definition for redouble is "to make twice as great.", the definition for abate is "Become less in amount or intensity.", and the definition for condone is "To treat as acceptable."

The definition for aerate is "To supply with air." Used in a sentence: Every spring, Soloman used his tiller to aerate the compact soil. The definition for inflammatory is "tending to excite anger.", the definition for derivative is "Lacking originality.", and the definition for epitaph is "Brief statement honoring a dead person."

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 straddle is "to favor opposing sides.", the definition for obnoxious is "Highly offensive.", and the definition for illuminate is "To make clear."

The definition for ethical is "Conforming to accepted standards." Used in a sentence: Mary did the ethical thing and turned in the diamond necklace she found. The definition for lurid is "causing horror, shocking.", the definition for servile is "Fearfully submissive.", and the definition for naive is "Lacking worldy wisdom."