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 incumbent is "necessary as a duty or responsibility.", the definition for serenity is "Calmness.", and the definition for heinous is "Shockingly evil."

The definition for gargantuan is "Gigantic." Used in a sentence: The gargantuan monster towered over the ten–story bulding. The definition for pallid is "lacking color.", the definition for condone is "To treat as acceptable.", and the definition for benevolent is "Kind, helpful."

The definition for embellish is "To decorate." Used in a sentence: Sari embellished the plain curtains with satin ribbons and tassels. The definition for retroactive is "effective as of a prior time or condition.", the definition for pretense is "False intention or purpose.", and the definition for melodious is "Having a pleasing melody."

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 opportune is "suitable or convenient.", the definition for frugal is "Thrifty, cheap.", and the definition for regale is "To amuse."

The definition for beneficial is "Helpful." Used in a sentence: there is no doubt that eating vegetables is beneficial to one's health. The definition for abate is "become less in amount or intensity.", the definition for disconcert is "To throw into confusion.", and the definition for interminable is "Never ending, or seemingly endless."