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 augment is "to make greater.", the definition for implausible is "Unbelievable.", and the definition for aerate is "To supply with air."

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 epistolary is "Contained or carried on in letters.", and the definition for cunning is "Showing clever insight."

The definition for turmoil is "Extreme confusion, agitation." Used in a sentence: The windstorm caused such turmoil in the lake that the sailboat capsized. The definition for beneficial is "helpful.", the definition for repel is "To resist, reject.", and the definition for disconcert is "To throw into confusion."

The definition for equitable is "Fair and equal." Used in a sentence: The judge made an equitable decision dividing the estate evenly among the sisters. The definition for disconcert is "to throw into confusion.", the definition for stifle is "To repress or discourage.", and the definition for solace is "Source of consolation."

The definition for aerate is "To supply with air." Used in a sentence: Every spring, Soloman used his tiller to aerate the compact soil. The definition for archaic is "characteristic of an earlier time.", the definition for intricate is "Having complex and interrelated parts.", and the definition for fragile is "Delicate."