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 periodic is "occurring at regular intervals.", the definition for benefactor is "One who offers financial help.", and the definition for elate is "To fill with joy."

The definition for derivative is "Lacking originality." Used in a sentence: Critics panned the movie as a derivative version of last year's Best Picture. The definition for fragile is "delicate.", the definition for disconcert is "To throw into confusion.", and the definition for pantomime is "Telling a story through gestures."

The definition for implausible is "Unbelievable." Used in a sentence: Claudia's implausible excuse failed to convince her teacher. The definition for placebo is "an inactive substance used in medical testing.", the definition for demean is "To lower status.", and the definition for mandate is "An official order or commission to do something."

The definition for exception is "A case to which the rule does not apply." Used in a sentence: The teacher made an exception and let Gina eat her snack in class. The definition for trove is "valuable collection.", the definition for gargantuan is "Gigantic.", and the definition for gravity is "Importance, significance."

The definition for opportune is "Suitable or convenient." Used in a sentence: Quan stepped onto the platform at the most opportune time, just as the train pulled in. The definition for benefactor is "one who offers financial help.", the definition for periodic is "Occurring at regular intervals.", and the definition for heinous is "Shockingly evil."