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 eulogy is "Speech or writing in praise of deceased.", and the definition for insolence is "Boldness or rudeness."

The definition for parity is "Equality." Used in a sentence: Hilda, to avoid squabbles, aimed for parity in the slices of birthday cake. The definition for meticulous is "extrememly careful regarding details.", the definition for eulogy is "Speech or writing in praise of deceased.", and the definition for retroactive is "effective as of a prior time or condition."

The definition for awe is "Emotion combining dread and wonder." Used in a sentence: Charlie was in awe of his uncle, a professional football player and chess champion. The definition for commemorate is "to mark by a ceremony.", the definition for polarize is "To break up into opposing groups.", and the definition for archaic is "Characteristic of an earlier time."

The definition for melodious is "Having a pleasing melody." Used in a sentence: The melodious sounds of the symphony soothed Tim after his trying day. The definition for untenable is "not able to be defended.", the definition for accessible is "Easy to reach or to approach.", and the definition for interminable is "Never ending, or seemingly endless."

The definition for benefactor is "One who offers financial help." Used in a sentence: Michael's aunt and benefactor paid his college tuition. The definition for combative is "eager to fight.", the definition for opportune is "Suitable or convenient.", and the definition for inviolable is "Secure from assault of trespass."