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 penurious is "extrememly stingy.", the definition for stifle is "To repress or discourage.", and the definition for brandish is "To shake or wave menacingly."

The definition for pretense is "False intention or purpose." Used in a sentence: The jewel thief entered the mansion under the pretense of fixing a leaky faucet. The definition for egotist is "self–important person.", the definition for repel is "To resist, reject.", and the definition for incumbent is "Necessary as a duty or responsibility."

The definition for ploy is "A contrived plan." Used in a sentence: Sarah thought George's ploy of borrowing her notes was a cowardly way to ask her out. The definition for derelict is "abandoned.", the definition for buffoonery is "Foolish behavior.", and the definition for archaic is "Characteristic of an earlier time."

The definition for advantageous is "Giving an advantage." Used in a sentence: The house's location in the best school district was advantageous to the seller. The definition for corrosive is "bitingly sarcastic.", the definition for frugal is "Thrifty, cheap.", and the definition for lurid is "Causing horror, shocking."

The definition for elusive is "Hard to grasp." Used in a sentence: The words to the song are elusive, as the singer tends to mumble. The definition for comparable is "similar, equivalent.", the definition for perception is "Capacity for seeing or understanding.", and the definition for rehash is "To discuss again."