The definition for retroactive is "effective as of a prior time or condition." Used in a sentence: The retroactive law made even past infractions punishable. The definition for melee is "a tumultuous fight among several people.", the definition for immoderate is "Beyond usual or proper limits.", and the definition for avian is "Relating to birds."

The definition for ploy is "A contrived plan." Used in a sentence: Sarah thought George's ploy of borrowing her notes was a cowardly way to ask her out. The definition for precept is "a general rule of action.", the definition for repel is "To resist, reject.", and the definition for ecstatic is "Overwhelmingly emotional."

The definition for egotist is "Self–important person." Used in a sentence: Darren dreaded carpooling with the egotist Shelly, who talked about herself nonstop. The definition for insolence is "boldness or rudeness.", the definition for serenity is "Calmness.", and the definition for manifest is "Obvious."

The definition for corroborate is "To support with evidence." Used in a sentence: "Unless you can corroborate your story, it will not be admissible in court," the attorney told his client. The definition for periodic is "occurring at regular intervals.", the definition for beneficial is "Helpful.", and the definition for diffident is "Lacking self–confidence."

The definition for straddle is "To favor opposing sides." Used in a sentence: Kia straddled the issue, not wanting to say whether James or Tara was right. The definition for demean is "to lower status.", the definition for elusive is "Hard to grasp.", and the definition for disdain is "Feeling of contempt."