The definition for euphoria is "Feeling of great happiness." Used in a sentence: Cassandra was overcome with euphoria when she met her long–lost sister. The definition for supple is "flexible.", the definition for avian is "Relating to birds.", and the definition for penurious is "Extrememly stingy."

The definition for stifle is "To repress or discourage." Used in a sentence: Amy tried ineffectively to stifle her giggles after she read Susan's note in class. The definition for heinous is "shockingly evil.", the definition for straddle is "To favor opposing sides.", and the definition for aerate is "To supply with air."

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 embellish is "to decorate.", the definition for curtail is "To make less.", and the definition for induce is "To influence or cause."

The definition for servile is "Fearfully submissive." Used in a sentence: Felicia's servile attitude annoyed her boss, who preferred an assistant with more backbone. The definition for obnoxious is "highly offensive.", the definition for heinous is "Shockingly evil.", and the definition for servile is "Fearfully submissive."

The definition for straddle is "To favor opposing sides." Used in a sentence: Kia straddled the issue, not wanting to say whether James or Tara was right. The definition for refurbish is "to brighten or freshen.", the definition for awe is "Emotion combining dread and wonder.", and the definition for catastrophic is "Relating to extreme misfortune."