The definition for unscrupulous is "Lacking principles." Used in a sentence: The unscrupulous salesman was fired for lying to his customers. The definition for refurbish is "to brighten or freshen.", the definition for appalling is "Inspiring dismay or disgust.", and the definition for periodic is "Occurring at regular intervals."

The definition for aerate is "To supply with air." Used in a sentence: Every spring, Soloman used his tiller to aerate the compact soil. The definition for raucous is "noisy, rowdy.", the definition for fragile is "Delicate.", and the definition for rail is "To scold in harsh language."

The definition for indecorous is "In bad taste." Used in a sentence: My parents banned Chad from our house because of his indecorous behavior at dinner. The definition for rancorous is "marked by deep ill–will.", the definition for supple is "Flexible.", and the definition for curtail is "To make less."

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 intricate is "having complex and interrelated parts.", the definition for salvage is "To save from ruin.", and the definition for brandish is "To shake or wave menacingly."

The definition for immoderate is "Beyond usual or proper limits." Used in a sentence: Bob's immoderate appetite shocked the guests at the wedding banquet. The definition for entangle is "to involve in trouble.", the definition for facade is "false or superficial appearance.", and the definition for melee is "A tumultuous fight among several people."