The definition for incumbent is "Necessary as a duty or responsibility." Used in a sentence: It was incumbent on Jack to attend his father's retirement party. The definition for untenable is "not able to be defended.", the definition for advantageous is "Giving an advantage.", and the definition for prudent is "Marked by wisdom, shrewd."

The definition for untenable is "Not able to be defended." Used in a sentence: Rashid made the untenable statement that George Washington was the second president of the United States. The definition for moderate is "tending toward the average.", the definition for solace is "Source of consolation.", and the definition for heed is "To pay attention to."

The definition for discern is "To recognize as separate as distinct." Used in a sentence: The pastry connoisseur was able to discern Swiss from Belgian chocolate. The definition for grandiose is "with an affectation of grandeur.", the definition for solace is "Source of consolation.", and the definition for extant is "Currently existing."

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 recrimination is "a retaliatory accusation.", the definition for ploy is "A contrived plan.", and the definition for benefactor is "One who offers financial help."

The definition for mundane is "Practical, ordinary." Used in a sentence: The flighty Caroline could not be troubled with mundane tasks such as paying her bills. The definition for pretentious is "making unjustified claims.", the definition for drub is "To defeat decisively.", and the definition for opportune is "Suitable or convenient."