The definition for insolence is "Boldness or rudeness." Used in a sentence: The boy's insolence to the policeman embarrassed his mother. The definition for iridescent is "having a lustrous or attractivve quality.", the definition for servile is "Fearfully submissive.", and the definition for turmoil is "Extreme confusion, agitation."

The definition for impenitent is "Lacking remorse." Used in a sentence: The impenitent criminal received a harsh penalty, but his remorseful accomplice was released. The definition for incumbent is "necessary as a duty or responsibility.", the definition for liability is "A person or thing whose presence or behavior is likely to cause embarrassment or put one at a disadvantage.", and the definition for trove is "Valuable collection."

The definition for catastrophic is "Relating to extreme misfortune." Used in a sentence: The effects of the massive hurricane were catastrophic. The definition for preclude is "to rule out in advance.", the definition for raucous is "Noisy, rowdy.", and the definition for combustion is "Act of burning."

The definition for incisive is "Impressively direct and decisive." Used in a sentence: Samir's incisive leadership made him the natural choice for president of the company. The definition for rancorous is "marked by deep ill–will.", the definition for accentuate is "To emphasize.", and the definition for meticulous is "Extrememly careful regarding details."

The definition for obnoxious is "Highly offensive." Used in a sentence: The manager asked the obnoxious diner to leave the restaurant. The definition for colossal is "immense, enormous.", the definition for awe is "Emotion combining dread and wonder.", and the definition for fickle is "Lacking constancy, changeable."