The definition for avian is "Relating to birds." Used in a sentence: The old man affectionately referred to pigeons as his "avian friends." The definition for flagrant is "noticeably offensive.", the definition for negate is "To make invalid.", and the definition for exasperation is "The state of being irritated."

The definition for prudent is "Marked by wisdom, shrewd." Used in a sentence: Manny was happy she followed Greg's prudent advice to study, as the test was difficult. The definition for incongruous is "not harmonious, incompatible.", the definition for flagrant is "Noticeably offensive.", and the definition for regale is "To amuse."

The definition for frugal is "Thrifty, cheap." Used in a sentence: The frugal shopper only bought items that were on sale. The definition for extenuating is "partially excusing.", the definition for frugal is "Thrifty, cheap.", and the definition for promote is "To contribute to the growth or prosperity of."

The definition for mediate is "To come between parties in order to reconcile." Used in a sentence: The diplomatic Henry was able to mediate between the quarreling sisters. The definition for appalling is "inspiring dismay or disgust.", the definition for benefactor is "One who offers financial help.", and the definition for implausible is "Unbelievable."

The definition for incongruous is "Not harmonious, incompatible." Used in a sentence: Sadie's cowboy hat was incongruous with her black cocktail dress. The definition for placebo is "an inactive substance used in medical testing.", the definition for servile is "Fearfully submissive.", and the definition for interminable is "Never ending, or seemingly endless."