The definition for rehash is "To discuss again." Used in a sentence: "Sandra," said her mother, "I am tired of rehashing this same topic over and over." The definition for catastrophic is "relating to extreme misfortune.", the definition for stifle is "To repress or discourage.", and the definition for mediate is "To come between parties in order to reconcile."

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 mundane is "practical, ordinary.", the definition for authoritarian is "Favoring absolute obedience to authority.", and the definition for distortion is "The act of twisting out of shape."

The definition for derelict is "Abandoned." Used in a sentence: The derelict house was condemned as a public hazard. The definition for extant is "currently existing.", the definition for accommodate is "To give consideration to.", and the definition for exasperation is "The state of being irritated."

The definition for precept is "A general rule of action." Used in a sentence: All the students know Mrs. Brown's strict precept; no talking in class. The definition for incumbent is "necessary as a duty or responsibility.", the definition for benevolent is "Kind, helpful.", and the definition for supple is "Flexible."

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 promote is "to contribute to the growth or prosperity of.", the definition for negate is "To make invalid.", and the definition for ramble is "To wander, physically or in language."