The definition for ethical is "Conforming to accepted standards." Used in a sentence: Mary did the ethical thing and turned in the diamond necklace she found. The definition for opportune is "suitable or convenient.", the definition for egotist is "Self–important person.", and the definition for flaw is "An imperfection."

The definition for dubious is "Questionable." Used in a sentence: Karl found Kevin's claim that he was sick dubious, as he had just seen him playing football. The definition for prominence is "importance.", the definition for catastrophic is "Relating to extreme misfortune.", and the definition for mandate is "An official order or commission to do something."

The definition for implausible is "Unbelievable." Used in a sentence: Claudia's implausible excuse failed to convince her teacher. The definition for archetypal is "characteristic of the original model or perfect example.", the definition for authoritarian is "Favoring absolute obedience to authority.", and the definition for appalling is "Inspiring dismay or disgust."

The definition for buffer is "Protective barrier." Used in a sentence: The dense trees acted as a buffer against the heavy rain. The definition for opportune is "suitable or convenient.", the definition for unscrupulous is "Lacking principles.", and the definition for accessible is "Easy to reach or to approach."

The definition for mundane is "Practical, ordinary." Used in a sentence: The flighty Caroline could not be troubled with mundane tasks such as paying her bills. The definition for melee is "a tumultuous fight among several people.", the definition for dubious is "Questionable.", and the definition for repentant is "Feeling regret."