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 procrastinate is "to put off intentionally.", the definition for avian is "Relating to birds.", and the definition for polarize is "To break up into opposing groups."

The definition for redouble is "To make twice as great." Used in a sentence: As the sun began to set, Brittany redoubled her effort to find the necklace she had dropped in the field. The definition for gruff is "rough or stern in manner or speech.", the definition for distortion is "The act of twisting out of shape.", and the definition for penurious is "Extrememly stingy."

The definition for stern is "Harsh, severe." Used in a sentence: The stern principal canceled the prom after the seniors played a silly prank. The definition for accommodate is "to give consideration to.", the definition for incisive is "Impressively direct and decisive.", and the definition for interminable is "Never ending, or seemingly endless."

The definition for turpitude is "Essential baseness, depravity." Used in a sentence: The turpitude of the villain in the movie offended most audiences. The definition for genial is "sympathetic, friendly.", the definition for abate is "Become less in amount or intensity.", and the definition for heinous is "Shockingly evil."

The definition for repel is "To resist, reject." Used in a sentence: The soldiers made a massive charge to repel the invaders. The definition for duplicity is "deceptive thought, speech, or action.", the definition for pathos is "Sympathetic pity.", and the definition for absolve is "To forgive; to free from guilt."