The definition for retroactive is "effective as of a prior time or condition." Used in a sentence: The retroactive law made even past infractions punishable. The definition for inauspicious is "not favorable.", the definition for pathos is "Sympathetic pity.", and the definition for serenity is "Calmness."

The definition for trove is "Valuable collection." Used in a sentence: Walter's trove of vintage baseball cards was worth thousands of dollars. The definition for augment is "to make greater.", the definition for parity is "Equality.", and the definition for derivative is "Lacking originality."

The definition for scamper is "To run quickly." Used in a sentence: The frightened kitten scampered away from the butterfly. The definition for straddle is "to favor opposing sides.", the definition for oblivious is "Lacking awareness.", and the definition for derelict is "Abandoned."

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 equitable is "fair and equal.", the definition for dubious is "Questionable.", and the definition for lurid is "Causing horror, shocking."

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 elusive is "hard to grasp.", the definition for solace is "Source of consolation.", and the definition for penurious is "Extrememly stingy."