The definition for implausible is "Unbelievable." Used in a sentence: Claudia's implausible excuse failed to convince her teacher. The definition for mediate is "to come between parties in order to reconcile.", the definition for diffident is "Lacking self–confidence.", and the definition for flagrant is "Noticeably offensive."

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 servile is "fearfully submissive.", the definition for drab is "Dull, monotonous.", and the definition for stifle is "To repress or discourage."

The definition for ploy is "A contrived plan." Used in a sentence: Sarah thought George's ploy of borrowing her notes was a cowardly way to ask her out. The definition for serenity is "calmness.", the definition for ramble is "To wander, physically or in language.", and the definition for interminable is "Never ending, or seemingly endless."

The definition for proximity is "Closeness." Used in a sentence: The proximity of Tia's house to school meant that she could walk there in five minutes. The definition for inauspicious is "not favorable.", the definition for adversary is "One who opposes or resists.", and the definition for ploy is "A contrived plan."

The definition for redouble is "To make twice as great." Used in a sentence: As the sun began to set, Brittany redoubled her effort to find the necklace she had dropped in the field. The definition for extenuating is "partially excusing.", the definition for accessible is "Easy to reach or to approach.", and the definition for preclude is "To rule out in advance."