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 foil is "one that enhances or underscores by contrast.", the definition for benefactor is "One who offers financial help.", and the definition for derelict is "Abandoned."

The definition for camaraderie is "Spirit of friendship." Used in a sentence: The manager hoped the retreat would increase the camaraderie among the feuding workers. The definition for aerate is "to supply with air.", the definition for apathetic is "Showing little or no emotion.", and the definition for aesthete is "Person having or affecting sensitivity to beauty."

The definition for ploy is "A contrived plan." Used in a sentence: Sarah thought George's ploy of borrowing her notes was a cowardly way to ask her out. The definition for compulsion is "an irresistible impulse.", the definition for interminable is "Never ending, or seemingly endless.", and the definition for distortion is "The act of twisting out of shape."

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 scapegoat is "someone who bears the blame for others.", the definition for euphoria is "Feeling of great happiness.", and the definition for parity is "Equality."

The definition for penurious is "Extrememly stingy." Used in a sentence: Ebenezer Scrooge was most penurious, refusing to give even a penny to charity. The definition for redouble is "to make twice as great.", the definition for avian is "Relating to birds.", and the definition for corrective is "Intended to correct."