The definition for rancorous is "Marked by deep ill–will." Used in a sentence: The rancorous competition between the two chess clubs actually ended in a brawl. The definition for pathos is "sympathetic pity.", the definition for iridescent is "Having a lustrous or attractivve quality.", and the definition for pretense is "False intention or purpose."

The definition for dubious is "Questionable." Used in a sentence: Karl found Kevin's claim that he was sick dubious, as he had just seen him playing football. The definition for celebrated is "widely known, respected.", the definition for drub is "To defeat decisively.", and the definition for flourish is "To make bold, sweeping gestures."

The definition for oblivious is "Lacking awareness." Used in a sentence: Love–struck Charlie was oblivious to everyone but the object of his affection. The definition for prominence is "importance.", the definition for extol is "To praise highly.", and the definition for accessible is "Easy to reach or to approach."

The definition for refurbish is "To brighten or freshen." Used in a sentence: Leeanne cleaned and mended all weekend to refurbish the shabby apartment. The definition for defiant is "showing bold resistance.", the definition for induce is "To influence or cause.", and the definition for precept is "A general rule of action."

The definition for periodic is "Occurring at regular intervals." Used in a sentence: The periodic innterruptions of the cuckoo clock prevented Li from concentrating. The definition for aerate is "to supply with air.", the definition for supple is "Flexible.", and the definition for plaudits is "Enthusiastic approval."