The definition for derelict is "Abandoned." Used in a sentence: The derelict house was condemned as a public hazard. The definition for extant is "currently existing.", the definition for unscrupulous is "Lacking principles.", and the definition for flaw is "An imperfection."

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 unscrupulous is "lacking principles.", the definition for impenitent is "Lacking remorse.", and the definition for placebo is "An inactive substance used in medical testing."

The definition for promote is "To contribute to the growth or prosperity of." Used in a sentence: The promote peace, the diplomat hosted a talk between the warring nations. The definition for untenable is "not able to be defended.", the definition for rail is "To scold in harsh language.", and the definition for heinous is "Shockingly evil."

The definition for archaic is "Characteristic of an earlier time." Used in a sentence: In the world of high fashion, two–year–old shoes are considered positively archaic. The definition for illuminate is "to make clear.", the definition for inauspicious is "Not favorable.", and the definition for oblivious is "Lacking awareness."

The definition for duplicity is "Deceptive thought, speech, or action." Used in a sentence: The life of an undercover detective is filed with necessary duplicity. The definition for pretense is "false intention or purpose.", the definition for curtail is "To make less.", and the definition for interminable is "Never ending, or seemingly endless."