The definition for negate is "To make invalid." Used in a sentence: Paula negated Tiffany's argument by proving that her main premise was false. The definition for beneficial is "helpful.", the definition for corrective is "Intended to correct.", and the definition for stern is "Harsh, severe."

The definition for clairvoyance is "Ability to see things beyond ordinary perception." Used in a sentence: Rosa used her clairvoyance to help Alexander find his lost keys. The definition for augment is "to make greater.", the definition for intricate is "Having complex and interrelated parts.", and the definition for recrimination is "A retaliatory accusation."

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 frugal is "thrifty, cheap.", the definition for nurture is "To further the development of.", and the definition for extant is "Currently existing."

The definition for interminable is "Never ending, or seemingly endless." Used in a sentence: The impatient Zoe found the longwinded lecture interminable. The definition for fickle is "lacking constancy, changeable.", the definition for archetypal is "Characteristic of the original model or perfect example.", and the definition for melodious is "Having a pleasing melody."

The definition for futile is "Without purpose, completely ineffective." Used in a sentence: Arguing with Andrew is futile because he never changes his mind. The definition for heed is "to pay attention to.", the definition for buffoonery is "Foolish behavior.", and the definition for fraud is "Trick."