The definition for incisive is "Impressively direct and decisive." Used in a sentence: Samir's incisive leadership made him the natural choice for president of the company. The definition for buffer is "protective barrier.", the definition for raucous is "Noisy, rowdy.", and the definition for placebo is "An inactive substance used in medical testing."

The definition for stealth is "The act of moving secretly or unnoticed." Used in a sentence: The burglar took the ring by stealth, slipping it from the sleeping woman's finger. The definition for proximity is "closeness.", the definition for augment is "To make greater.", and the definition for negate is "To make invalid."

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 gravity is "importance, significance.", the definition for elusive is "Hard to grasp.", 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 rhapsody is "state of great happiness.", the definition for corrosive is "Bitingly sarcastic.", and the definition for inflammatory is "Tending to excite anger."

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