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 pretentious is "making unjustified claims.", the definition for advantageous is "Giving an advantage.", and the definition for comprehensible is "Understandable."

The definition for corrective is "Intended to correct." Used in a sentence: The school decided to take corrective measures to prevent truancy. The definition for appalling is "inspiring dismay or disgust.", the definition for untenable is "Not able to be defended.", and the definition for corrective is "Intended to correct."

The definition for illuminate is "To make clear." Used in a sentence: Her excellent lecture illuminated the complicated subject of nuclear physics. The definition for interminable is "never ending, or seemingly endless.", the definition for corrective is "Intended to correct.", and the definition for incumbent is "Necessary as a duty or responsibility."

The definition for revoke is "To cancel by taking back." Used in a sentence: After Kal's father revoked his allowance, he had no money for the movies. The definition for disdain is "feeling of contempt.", the definition for negate is "To make invalid.", and the definition for combustion is "Act of burning."

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 corroborate is "to support with evidence.", the definition for diffident is "Lacking self–confidence.", and the definition for naive is "Lacking worldy wisdom."