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 perception is "capacity for seeing or understanding.", the definition for discern is "To recognize as separate as distinct.", and the definition for flourish is "To make bold, sweeping gestures."

The definition for buffer is "Protective barrier." Used in a sentence: The dense trees acted as a buffer against the heavy rain. The definition for perception is "capacity for seeing or understanding.", the definition for rancorous is "Marked by deep ill–will.", and the definition for facade is "false or superficial appearance."

The definition for obnoxious is "Highly offensive." Used in a sentence: The manager asked the obnoxious diner to leave the restaurant. The definition for buffer is "protective barrier.", the definition for appraise is "To evaluate the worth of.", and the definition for revoke is "To cancel by taking back."

The definition for implausible is "Unbelievable." Used in a sentence: Claudia's implausible excuse failed to convince her teacher. The definition for drab is "dull, monotonous.", the definition for ploy is "A contrived plan.", and the definition for proximity is "Closeness."

The definition for appraise is "To evaluate the worth of." Used in a sentence: Simone, an expert in African sculpture, was asked to appraise the ambassador's collection of masks. The definition for moderate is "tending toward the average.", the definition for proximity is "Closeness.", and the definition for curtail is "To make less."