The definition for serenity is "Calmness." Used in a sentence: The serenity of the glassy sea soothed the sailors after the big storm. The definition for retroactive is "effective as of a prior time or condition.", the definition for exalt is "To elevate by praise.", and the definition for recrimination is "A retaliatory accusation."

The definition for condone is "To treat as acceptable." Used in a sentence: Crystal condoned her friend's late arrival because she found it hard to be on time herself. The definition for distortion is "the act of twisting out of shape.", the definition for illuminate is "To make clear.", and the definition for procrastinate is "To put off intentionally."

The definition for catastrophic is "Relating to extreme misfortune." Used in a sentence: The effects of the massive hurricane were catastrophic. The definition for inflammatory is "tending to excite anger.", the definition for periodic is "Occurring at regular intervals.", and the definition for censure is "To find fault with."

The definition for opportune is "Suitable or convenient." Used in a sentence: Quan stepped onto the platform at the most opportune time, just as the train pulled in. The definition for melodious is "having a pleasing melody.", the definition for implement is "To carry out or accomplish.", and the definition for raucous is "Noisy, rowdy."

The definition for proximity is "Closeness." Used in a sentence: The proximity of Tia's house to school meant that she could walk there in five minutes. The definition for adversary is "one who opposes or resists.", the definition for extant is "Currently existing.", and the definition for civility is "Politeness."