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 belated is "past the normal or proper time.", the definition for heed is "To pay attention to.", and the definition for rail is "To scold in harsh language."

The definition for periodic is "Occurring at regular intervals." Used in a sentence: The periodic innterruptions of the cuckoo clock prevented Li from concentrating. The definition for obnoxious is "highly offensive.", the definition for stifle is "To repress or discourage.", and the definition for disdain is "Feeling of contempt."

The definition for revive is "To bring back to life." Used in a sentence: Hank tried to revive Clare's interest in the project, but her enthusiasm had expired. The definition for dubious is "questionable.", the definition for demean is "To lower status.", and the definition for catastrophic is "Relating to extreme misfortune."

The definition for distortion is "The act of twisting out of shape." Used in a sentence: The story about the actress in the gossip column was a distortion of the truth. The definition for opportune is "suitable or convenient.", the definition for repel is "To resist, reject.", and the definition for demean is "To lower status."

The definition for repentant is "Feeling regret." Used in a sentence: The repentant Dana admitted to cheating on the test. The definition for elate is "to fill with joy.", the definition for retroactive is "effective as of a prior time or condition.", and the definition for heed is "To pay attention to."