The definition for heinous is "Shockingly evil." Used in a sentence: Eduardo's heinous betrayal of Lydia shocked even Latasha, who knew his evil ways. The definition for combustion is "act of burning.", the definition for iridescent is "Having a lustrous or attractivve quality.", and the definition for genial is "Sympathetic, friendly."

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 scamper is "to run quickly.", the definition for discern is "To recognize as separate as distinct.", and the definition for trove is "Valuable collection."

The definition for solace is "Source of consolation." Used in a sentence: Parents' weekend was a solace to Marjorie, whose beloved daughter had left for college. The definition for epitaph is "brief statement honoring a dead person.", the definition for benefactor is "One who offers financial help.", and the definition for clarity is "Clearness."

The definition for heed is "To pay attention to." Used in a sentence: "Heed my advice," the fortuneteller warned Sebastian when he tried to ignore her prophecy. The definition for archaic is "characteristic of an earlier time.", the definition for incidental is "Minor.", and the definition for sociable is "Inclined to seek companionship."

The definition for gravity is "Importance, significance." Used in a sentence: Understanding the gravity of his error, Ken offered his humblest apology. The definition for interminable is "never ending, or seemingly endless.", the definition for insolence is "Boldness or rudeness.", and the definition for catastrophic is "Relating to extreme misfortune."