The definition for foil is "One that enhances or underscores by contrast." Used in a sentence: The sweet cookie was a perfect foil to the sour lemon sorbet. The definition for gravity is "importance, significance.", the definition for stern is "Harsh, severe.", and the definition for combustion is "Act of burning."

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 entangle is "to involve in trouble.", the definition for recrimination is "A retaliatory accusation.", and the definition for obnoxious is "Highly offensive."

The definition for catastrophic is "Relating to extreme misfortune." Used in a sentence: The effects of the massive hurricane were catastrophic. The definition for lurid is "causing horror, shocking.", the definition for perception is "Capacity for seeing or understanding.", and the definition for raucous is "Noisy, rowdy."

The definition for obnoxious is "Highly offensive." Used in a sentence: The manager asked the obnoxious diner to leave the restaurant. The definition for promote is "to contribute to the growth or prosperity of.", the definition for periodic is "Occurring at regular intervals.", and the definition for stifle is "To repress or discourage."

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 ethical is "conforming to accepted standards.", the definition for appraise is "To evaluate the worth of.", and the definition for incidental is "Minor."