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 demeanor is "behavior towards others.", the definition for induce is "To influence or cause.", and the definition for beneficial is "Helpful."

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 placebo is "an inactive substance used in medical testing.", the definition for antidote is "Something that relieves or counteracts.", and the definition for comprehensible is "Understandable."

The definition for melodious is "Having a pleasing melody." Used in a sentence: The melodious sounds of the symphony soothed Tim after his trying day. The definition for fidelity is "state of being faithful.", the definition for inauspicious is "Not favorable.", and the definition for archetypal is "Characteristic of the original model or perfect example."

The definition for impenitent is "Lacking remorse." Used in a sentence: The impenitent criminal received a harsh penalty, but his remorseful accomplice was released. The definition for insinuate is "to suggest indirectly.", the definition for gargantuan is "Gigantic.", and the definition for procrastinate is "To put off intentionally."

The definition for ploy is "A contrived plan." Used in a sentence: Sarah thought George's ploy of borrowing her notes was a cowardly way to ask her out. The definition for discern is "to recognize as separate as distinct.", the definition for frugal is "Thrifty, cheap.", and the definition for implement is "To carry out or accomplish."