The definition for raucous is "Noisy, rowdy." Used in a sentence: Serena, who preferred quiet conversation, left the rancous party. The definition for retroactive is "effective as of a prior time or condition.", the definition for illuminate is "To make clear.", and the definition for stifle is "To repress or discourage."

The definition for obnoxious is "Highly offensive." Used in a sentence: The manager asked the obnoxious diner to leave the restaurant. The definition for ramble is "to wander, physically or in language.", the definition for stealth is "The act of moving secretly or unnoticed.", and the definition for stern is "Harsh, severe."

The definition for commemorate is "To mark by a ceremony." Used in a sentence: Each year, the Franklins commemorate their anniversary by visiting the site of their first date. The definition for sociable is "inclined to seek companionship.", the definition for flaunt is "To display showily.", and the definition for refurbish is "To brighten or freshen."

The definition for abate is "Become less in amount or intensity." Used in a sentence: Just when it seemed the rain would never stop, the storm suddenly began to abate. The definition for civility is "politeness.", the definition for redouble is "To make twice as great.", and the definition for sociable is "Inclined to seek companionship."

The definition for elate is "To fill with joy." Used in a sentence: It elated Margaret to be awarded first place in the science fair. The definition for commemorate is "to mark by a ceremony.", the definition for turmoil is "Extreme confusion, agitation.", and the definition for discern is "To recognize as separate as distinct."