The definition for corroborate is "To support with evidence." Used in a sentence: "Unless you can corroborate your story, it will not be admissible in court," the attorney told his client. The definition for gravity is "importance, significance.", the definition for onset is "Beginning.", and the definition for heinous is "Shockingly evil."

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 derivative is "lacking originality.", the definition for turpitude is "Essential baseness, depravity.", and the definition for corrosive is "Bitingly sarcastic."

The definition for extol is "To praise highly." Used in a sentence: The statesman extolled the ambassador who single–handedly negotiated the peace treaty. The definition for clairvoyance is "ability to see things beyond ordinary perception.", the definition for colossal is "Immense, enormous.", and the definition for flaw is "An imperfection."

The definition for antidote is "Something that relieves or counteracts." Used in a sentence: Veronique found that listening to French music was an antidote for her homesickness. The definition for comprehensible is "understandable.", the definition for exception is "A case to which the rule does not apply.", and the definition for salvage is "To save from ruin."

The definition for methodical is "Performed in an orderly manner." Used in a sentence: Oscar's methodical approach exasperated his free–spirited friend Ben. The definition for egotist is "self–important person.", the definition for commemorate is "To mark by a ceremony.", and the definition for revoke is "To cancel by taking back."