The definition for placebo is "An inactive substance used in medical testing." Used in a sentence: Tom, who had taken the placebo, found that his allergy symptoms did not go away. The definition for penurious is "extrememly stingy.", the definition for perception is "Capacity for seeing or understanding.", and the definition for eulogy is "Speech or writing in praise of deceased."

The definition for duplicity is "Deceptive thought, speech, or action." Used in a sentence: The life of an undercover detective is filed with necessary duplicity. The definition for pantomime is "telling a story through gestures.", the definition for commemorate is "To mark by a ceremony.", and the definition for immoderate is "Beyond usual or proper limits."

The definition for surplus is "Excess." Used in a sentence: Trevor decided to freeze the surplus chili for next week's tailgate party. The definition for buffoonery is "foolish behavior.", the definition for raucous is "Noisy, rowdy.", and the definition for absolve is "To forgive; to free from guilt."

The definition for ethical is "Conforming to accepted standards." Used in a sentence: Mary did the ethical thing and turned in the diamond necklace she found. The definition for fragile is "delicate.", the definition for obnoxious is "Highly offensive.", and the definition for mandate is "An official order or commission to do something."

The definition for stifle is "To repress or discourage." Used in a sentence: Amy tried ineffectively to stifle her giggles after she read Susan's note in class. The definition for incongruous is "not harmonious, incompatible.", the definition for colossal is "Immense, enormous.", and the definition for discern is "To recognize as separate as distinct."