The definition for derivative is "Lacking originality." Used in a sentence: Critics panned the movie as a derivative version of last year's Best Picture. The definition for polarize is "to break up into opposing groups.", the definition for appraise is "To evaluate the worth of.", and the definition for fidelity is "State of being faithful."

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 recrimination is "a retaliatory accusation.", the definition for naive is "Lacking worldy wisdom.", and the definition for awe is "Emotion combining dread and wonder."

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 oblivious is "lacking awareness.", the definition for meticulous is "Extrememly careful regarding details.", and the definition for fragile is "Delicate."

The definition for drab is "Dull, monotonous." Used in a sentence: The drab winter scene made Keisha long for the vibrant colors of spring. The definition for buffer is "protective barrier.", the definition for advantageous is "Giving an advantage.", and the definition for procrastinate is "To put off intentionally."

The definition for extant is "Currently existing." Used in a sentence: Some consider Clint Eastwood the greatest extant American director. The definition for parity is "equality.", the definition for preclude is "To rule out in advance.", and the definition for pantomime is "Telling a story through gestures."