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 stealth is "the act of moving secretly or unnoticed.", the definition for preclude is "To rule out in advance.", and the definition for prune is "To reduce by removing excess."

The definition for exception is "A case to which the rule does not apply." Used in a sentence: The teacher made an exception and let Gina eat her snack in class. The definition for incumbent is "necessary as a duty or responsibility.", the definition for pretense is "False intention or purpose.", and the definition for rail is "To scold in harsh language."

The definition for iridescent is "Having a lustrous or attractivve quality." Used in a sentence: The movie star's iridescent presence charmed even the hardened reporter. The definition for aerate is "to supply with air.", the definition for mandate is "An official order or commission to do something.", and the definition for incisive is "Impressively direct and decisive."

The definition for grandiose is "With an affectation of grandeur." Used in a sentence: The sweeping, grandiose staircase looked preposterous in the modest entry hall. The definition for dubious is "questionable.", the definition for augment is "To make greater.", and the definition for embellish is "To decorate."

The definition for beneficial is "Helpful." Used in a sentence: there is no doubt that eating vegetables is beneficial to one's health. The definition for regale is "to amuse.", the definition for stern is "Harsh, severe.", and the definition for benevolent is "Kind, helpful."