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 recrimination is "a retaliatory accusation.", the definition for exalt is "To elevate by praise.", and the definition for induce is "To influence or cause."

The definition for aerate is "To supply with air." Used in a sentence: Every spring, Soloman used his tiller to aerate the compact soil. The definition for advantageous is "giving an advantage.", the definition for penurious is "Extrememly stingy.", and the definition for ploy is "A contrived plan."

The definition for augment is "To make greater." Used in a sentence: Wanda read the dictionary every night to augment her vocabulary. The definition for camaraderie is "spirit of friendship.", the definition for procrastinate is "To put off intentionally.", and the definition for mundane is "Practical, ordinary."

The definition for rancorous is "Marked by deep ill–will." Used in a sentence: The rancorous competition between the two chess clubs actually ended in a brawl. The definition for compulsion is "an irresistible impulse.", the definition for beneficial is "Helpful.", and the definition for eulogy is "Speech or writing in praise of deceased."

The definition for combustion is "Act of burning." Used in a sentence: Campers must use fire with great caution to prevent combustion of the parched brush. The definition for recrimination is "a retaliatory accusation.", the definition for implement is "To carry out or accomplish.", and the definition for gruff is "Rough or stern in manner or speech."