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 rancorous is "marked by deep ill–will.", the definition for frugal is "Thrifty, cheap.", and the definition for periodic is "Occurring at regular intervals."

The definition for naive is "Lacking worldy wisdom." Used in a sentence: The naive Simon assumed that everyone was as simple and kind as he was. The definition for gravity is "importance, significance.", the definition for obnoxious is "Highly offensive.", and the definition for exception is "A case to which the rule does not apply."

The definition for disconcert is "To throw into confusion." Used in a sentence: Jennifer's outspoken criticism of the meal disoncerted the waiter. The definition for obnoxious is "highly offensive.", the definition for comparable is "Similar, equivalent.", and the definition for mediate is "To come between parties in order to reconcile."

The definition for scamper is "To run quickly." Used in a sentence: The frightened kitten scampered away from the butterfly. The definition for revive is "to bring back to life.", the definition for finite is "Having definite limits.", and the definition for stifle is "To repress or discourage."

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 avian is "relating to birds.", the definition for buffoonery is "Foolish behavior.", and the definition for oblivious is "Lacking awareness."