The definition for egotist is "Self–important person." Used in a sentence: Darren dreaded carpooling with the egotist Shelly, who talked about herself nonstop. The definition for pretense is "false intention or purpose.", the definition for promote is "To contribute to the growth or prosperity of.", and the definition for retroactive is "effective as of a prior time or condition."

The definition for raucous is "Noisy, rowdy." Used in a sentence: Serena, who preferred quiet conversation, left the rancous party. The definition for placebo is "an inactive substance used in medical testing.", the definition for futile is "Without purpose, completely ineffective.", and the definition for antidote is "Something that relieves or counteracts."

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 euphoria is "feeling of great happiness.", the definition for facade is "false or superficial appearance.", and the definition for incisive is "Impressively direct and decisive."

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 gruff is "rough or stern in manner or speech.", the definition for clarity is "Clearness.", and the definition for moderate is "Tending toward the average."

The definition for derivative is "Lacking originality." Used in a sentence: Critics panned the movie as a derivative version of last year's Best Picture. The definition for incumbent is "necessary as a duty or responsibility.", the definition for induce is "To influence or cause.", and the definition for awe is "Emotion combining dread and wonder."