The definition for melodious is "Having a pleasing melody." Used in a sentence: The melodious sounds of the symphony soothed Tim after his trying day. The definition for gruff is "rough or stern in manner or speech.", the definition for incidental is "Minor.", and the definition for iridescent is "Having a lustrous or attractivve quality."

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 impenitent is "lacking remorse.", the definition for prominence is "Importance.", and the definition for parity is "Equality."

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 ethical is "conforming to accepted standards.", the definition for trove is "Valuable collection.", and the definition for procrastinate is "To put off intentionally."

The definition for induce is "To influence or cause." Used in a sentence: The loud blast of the cannon induced an avalanche. The definition for serenity is "calmness.", the definition for turmoil is "Extreme confusion, agitation.", and the definition for precept is "A general rule of action."

The definition for regale is "To amuse." Used in a sentence: My clever brother Jeffrey regaled the dinner guests with tales of his adventures. The definition for melee is "a tumultuous fight among several people.", the definition for implausible is "Unbelievable.", and the definition for discern is "To recognize as separate as distinct."