The definition for implausible is "Unbelievable." Used in a sentence: Claudia's implausible excuse failed to convince her teacher. The definition for parity is "equality.", the definition for heed is "To pay attention to.", and the definition for turpitude is "Essential baseness, depravity."

The definition for adversary is "One who opposes or resists." Used in a sentence: Franklin hoped to defeat his adversary in the afternoon's tennis match. The definition for penurious is "extrememly stingy.", the definition for authoritarian is "Favoring absolute obedience to authority.", and the definition for dubious is "Questionable."

The definition for fragile is "Delicate." Used in a sentence: Jade placed the fragile vase out of reach of her rambunctious boys. The definition for moderate is "tending toward the average.", the definition for heed is "To pay attention to.", and the definition for nurture is "To further the development of."

The definition for negate is "To make invalid." Used in a sentence: Paula negated Tiffany's argument by proving that her main premise was false. The definition for perception is "capacity for seeing or understanding.", the definition for sociable is "Inclined to seek companionship.", and the definition for condone is "To treat as acceptable."

The definition for prudent is "Marked by wisdom, shrewd." Used in a sentence: Manny was happy she followed Greg's prudent advice to study, as the test was difficult. The definition for moderate is "tending toward the average.", the definition for duplicity is "Deceptive thought, speech, or action.", and the definition for mandate is "An official order or commission to do something."