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 flaunt is "to display showily.", the definition for redouble is "To make twice as great.", and the definition for flagrant is "Noticeably offensive."

The definition for combustion is "Act of burning." Used in a sentence: Campers must use fire with great caution to prevent combustion of the parched brush. The definition for onset is "beginning.", the definition for discern is "To recognize as separate as distinct.", and the definition for methodical is "Performed in an orderly manner."

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 scamper is "to run quickly.", the definition for advantageous is "Giving an advantage.", and the definition for corrosive is "Bitingly sarcastic."

The definition for cunning is "Showing clever insight." Used in a sentence: The general devised a cunning strategy to outfox the enemy. The definition for combustion is "act of burning.", the definition for absolve is "To forgive; to free from guilt.", and the definition for plaudits is "Enthusiastic approval."

The definition for gruff is "Rough or stern in manner or speech." Used in a sentence: Heidi's grandfather was gruff, barking stern orders and hardly smiling. The definition for serenity is "calmness.", the definition for demeanor is "Behavior towards others.", and the definition for fragile is "Delicate."