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 augment is "to make greater.", the definition for straddle is "To favor opposing sides.", and the definition for brandish is "To shake or wave menacingly."

The definition for indecorous is "In bad taste." Used in a sentence: My parents banned Chad from our house because of his indecorous behavior at dinner. The definition for sociable is "inclined to seek companionship.", the definition for unscrupulous is "Lacking principles.", and the definition for repel is "To resist, reject."

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 corrosive is "bitingly sarcastic.", the definition for ramble is "To wander, physically or in language.", and the definition for euphoria is "Feeling of great happiness."

The definition for implement is "To carry out or accomplish." Used in a sentence: All Randolph needed to implement his plan was a moonless night and a long rope. The definition for punctual is "on time.", the definition for dubious is "Questionable.", and the definition for comprehensible is "Understandable."

The definition for extenuating is "Partially excusing." Used in a sentence: The extenuating circumstance of Calvin's illness caused the teacher to excuse his lateness. The definition for censure is "to find fault with.", the definition for retroactive is "effective as of a prior time or condition.", and the definition for condone is "To treat as acceptable."