The definition for rehash is "To discuss again." Used in a sentence: "Sandra," said her mother, "I am tired of rehashing this same topic over and over." The definition for negate is "to make invalid.", the definition for untenable is "Not able to be defended.", and the definition for rancorous is "Marked by deep ill–will."

The definition for ramble is "To wander, physically or in language." Used in a sentence: Professor Tan rambled during his lectures, frequently straying from the subject. The definition for opportune is "suitable or convenient.", the definition for exasperation is "The state of being irritated.", and the definition for brandish is "To shake or wave menacingly."

The definition for benevolent is "Kind, helpful." Used in a sentence: Sherman revealed his benevolent side when he offered to help Carter with his homework. The definition for corroborate is "to support with evidence.", the definition for retroactive is "effective as of a prior time or condition.", and the definition for plaudits is "Enthusiastic approval."

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 benefactor is "one who offers financial help.", the definition for melee is "A tumultuous fight among several people.", and the definition for accommodate is "To give consideration to."

The definition for heinous is "Shockingly evil." Used in a sentence: Eduardo's heinous betrayal of Lydia shocked even Latasha, who knew his evil ways. The definition for entangle is "to involve in trouble.", the definition for fickle is "Lacking constancy, changeable.", and the definition for plaudits is "Enthusiastic approval."