The definition for incumbent is "Necessary as a duty or responsibility." Used in a sentence: It was incumbent on Jack to attend his father's retirement party. The definition for drub is "to defeat decisively.", the definition for heinous is "Shockingly evil.", and the definition for grandiose is "With an affectation of grandeur."

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 genial is "sympathetic, friendly.", the definition for prudent is "Marked by wisdom, shrewd.", and the definition for flourish is "To make bold, sweeping gestures."

The definition for colossal is "Immense, enormous." Used in a sentence: After pushing with all his might, Frank realized he could never move the colossal boulder. The definition for iridescent is "having a lustrous or attractivve quality.", the definition for hedonism is "Belief that pleasure is the sole aim of life.", and the definition for archetypal is "Characteristic of the original model or perfect example."

The definition for exasperation is "The state of being irritated." Used in a sentence: The longer Jorge waited in line at the ticket counter, the more his exasperation grew. The definition for egotist is "self–important person.", the definition for combative is "Eager to fight.", and the definition for buffer is "Protective barrier."

The definition for curtail is "To make less." Used in a sentence: Doreen decided to curtail her spending after she bounced a check. The definition for prune is "to reduce by removing excess.", the definition for retroactive is "effective as of a prior time or condition.", and the definition for oblivious is "Lacking awareness."