The definition for pretentious is "Making unjustified claims." Used in a sentence: The pretentious boy said that he was the fastest runner, but he finished last in the race. The definition for serenity is "calmness.", the definition for incidental is "Minor.", and the definition for catastrophic is "Relating to extreme misfortune."

The definition for perception is "Capacity for seeing or understanding." Used in a sentence: His incredible perception made him the best detective on the force. The definition for preclude is "to rule out in advance.", the definition for stealth is "The act of moving secretly or unnoticed.", and the definition for conduit is "Means for transmitting or distributing."

The definition for promote is "To contribute to the growth or prosperity of." Used in a sentence: The promote peace, the diplomat hosted a talk between the warring nations. The definition for negate is "to make invalid.", the definition for regurgitate is "To pour out or throw back.", and the definition for nurture is "To further the development of."

The definition for turmoil is "Extreme confusion, agitation." Used in a sentence: The windstorm caused such turmoil in the lake that the sailboat capsized. The definition for placebo is "an inactive substance used in medical testing.", the definition for corrosive is "Bitingly sarcastic.", and the definition for foil is "One that enhances or underscores by contrast."

The definition for grandiose is "With an affectation of grandeur." Used in a sentence: The sweeping, grandiose staircase looked preposterous in the modest entry hall. The definition for abate is "become less in amount or intensity.", the definition for entangle is "To involve in trouble.", and the definition for cunning is "Showing clever insight."