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 archaic is "characteristic of an earlier time.", the definition for supple is "Flexible.", and the definition for precept is "A general rule of action."

The definition for obnoxious is "Highly offensive." Used in a sentence: The manager asked the obnoxious diner to leave the restaurant. The definition for inauspicious is "not favorable.", the definition for apathetic is "Showing little or no emotion.", and the definition for obnoxious is "Highly offensive."

The definition for supple is "Flexible." Used in a sentence: The supple leather coat draped like soft cloth around her shoulders. The definition for lurid is "causing horror, shocking.", the definition for benefactor is "One who offers financial help.", and the definition for stern is "Harsh, severe."

The definition for intricate is "Having complex and interrelated parts." Used in a sentence: The intricate poem baffled most readers with its numerous obscure metaphors. The definition for benefactor is "one who offers financial help.", the definition for compulsion is "An irresistible impulse.", and the definition for pretentious is "Making unjustified claims."

The definition for placebo is "An inactive substance used in medical testing." Used in a sentence: Tom, who had taken the placebo, found that his allergy symptoms did not go away. The definition for lenient is "mild or tolerant.", the definition for demean is "To lower status.", and the definition for beneficial is "Helpful."