The definition for iridescent is "Having a lustrous or attractivve quality." Used in a sentence: The movie star's iridescent presence charmed even the hardened reporter. The definition for turpitude is "essential baseness, depravity.", the definition for finite is "Having definite limits.", and the definition for futile is "Without purpose, completely ineffective."

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 proximity is "closeness.", the definition for exasperation is "The state of being irritated.", and the definition for induce is "To influence or cause."

The definition for repentant is "Feeling regret." Used in a sentence: The repentant Dana admitted to cheating on the test. The definition for comprehensible is "understandable.", the definition for periodic is "Occurring at regular intervals.", and the definition for ethical is "Conforming to accepted standards."

The definition for surplus is "Excess." Used in a sentence: Trevor decided to freeze the surplus chili for next week's tailgate party. The definition for retroactive is "effective as of a prior time or condition.", the definition for melee is "A tumultuous fight among several people.", and the definition for straddle is "To favor opposing sides."

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 repentant is "feeling regret.", the definition for antidote is "Something that relieves or counteracts.", and the definition for distortion is "The act of twisting out of shape."