The definition for diffident is "Lacking self–confidence." Used in a sentence: The diffident student never raised her hand in class, even when she knew the answer. The definition for elate is "to fill with joy.", the definition for gargantuan is "Gigantic.", and the definition for penurious is "Extrememly stingy."

The definition for authoritarian is "Favoring absolute obedience to authority." Used in a sentence: Marco's authoritarian mother never allowed him to watch more than one hour of television a day. The definition for preclude is "to rule out in advance.", the definition for facade is "false or superficial appearance.", and the definition for insinuate is "To suggest indirectly."

The definition for negate is "To make invalid." Used in a sentence: Paula negated Tiffany's argument by proving that her main premise was false. The definition for pretentious is "making unjustified claims.", the definition for prune is "To reduce by removing excess.", and the definition for prominence is "Importance."

The definition for advantageous is "Giving an advantage." Used in a sentence: The house's location in the best school district was advantageous to the seller. The definition for solace is "source of consolation.", the definition for comparable is "Similar, equivalent.", and the definition for finite is "Having definite limits."

The definition for incisive is "Impressively direct and decisive." Used in a sentence: Samir's incisive leadership made him the natural choice for president of the company. The definition for ploy is "a contrived plan.", the definition for rehash is "To discuss again.", and the definition for exalt is "To elevate by praise."