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 anthology is "a collection of selected literary pieces.", the definition for benefactor is "One who offers financial help.", and the definition for stealth is "The act of moving secretly or unnoticed."

The definition for incumbent is "Necessary as a duty or responsibility." Used in a sentence: It was incumbent on Jack to attend his father's retirement party. The definition for unscrupulous is "lacking principles.", the definition for extenuating is "Partially excusing.", and the definition for straddle is "To favor opposing sides."

The definition for egotist is "Self–important person." Used in a sentence: Darren dreaded carpooling with the egotist Shelly, who talked about herself nonstop. The definition for euphoria is "feeling of great happiness.", the definition for extol is "To praise highly.", and the definition for ethical is "Conforming to accepted standards."

The definition for liability is "A person or thing whose presence or behavior is likely to cause embarrassment or put one at a disadvantage." Used in a sentence: Kevin's growing fatigue was a liability as he attempted to climb the steep hill. The definition for adversary is "one who opposes or resists.", the definition for frugal is "Thrifty, cheap.", and the definition for flagrant is "Noticeably offensive."

The definition for polarize is "To break up into opposing groups." Used in a sentence: Thelma tended to polarize discussions rather than to encourage compromise. The definition for embellish is "to decorate.", the definition for ethical is "Conforming to accepted standards.", and the definition for scamper is "To run quickly."