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 futile is "without purpose, completely ineffective.", the definition for moderate is "Tending toward the average.", and the definition for periodic is "Occurring at regular intervals."

The definition for curtail is "To make less." Used in a sentence: Doreen decided to curtail her spending after she bounced a check. The definition for accommodate is "to give consideration to.", the definition for meticulous is "Extrememly careful regarding details.", and the definition for penurious is "Extrememly stingy."

The definition for oblivious is "Lacking awareness." Used in a sentence: Love–struck Charlie was oblivious to everyone but the object of his affection. The definition for moderate is "tending toward the average.", the definition for promote is "To contribute to the growth or prosperity of.", and the definition for avian is "Relating to birds."

The definition for buffer is "Protective barrier." Used in a sentence: The dense trees acted as a buffer against the heavy rain. The definition for derelict is "abandoned.", the definition for compulsion is "An irresistible impulse.", and the definition for parity is "Equality."

The definition for redouble is "To make twice as great." Used in a sentence: As the sun began to set, Brittany redoubled her effort to find the necklace she had dropped in the field. The definition for procrastinate is "to put off intentionally.", the definition for entangle is "To involve in trouble.", and the definition for rail is "To scold in harsh language."