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 colossal is "immense, enormous.", the definition for futile is "Without purpose, completely ineffective.", and the definition for corrosive is "Bitingly sarcastic."

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 pretense is "false intention or purpose.", the definition for condone is "To treat as acceptable.", and the definition for accessible is "Easy to reach or to approach."

The definition for rancorous is "Marked by deep ill–will." Used in a sentence: The rancorous competition between the two chess clubs actually ended in a brawl. The definition for benevolent is "kind, helpful.", the definition for insinuate is "To suggest indirectly.", and the definition for frugal is "Thrifty, cheap."

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 pallid is "lacking color.", the definition for accommodate is "To give consideration to.", and the definition for foil is "One that enhances or underscores by contrast."

The definition for egotist is "Self–important person." Used in a sentence: Darren dreaded carpooling with the egotist Shelly, who talked about herself nonstop. The definition for stifle is "to repress or discourage.", the definition for lenient is "Mild or tolerant.", and the definition for gargantuan is "Gigantic."