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 stealth is "the act of moving secretly or unnoticed.", the definition for polarize is "To break up into opposing groups.", and the definition for flourish is "To make bold, sweeping gestures."

The definition for catastrophic is "Relating to extreme misfortune." Used in a sentence: The effects of the massive hurricane were catastrophic. The definition for perception is "capacity for seeing or understanding.", the definition for raspy is "rough, grating.", and the definition for regale is "To amuse."

The definition for avian is "Relating to birds." Used in a sentence: The old man affectionately referred to pigeons as his "avian friends." The definition for placebo is "an inactive substance used in medical testing.", the definition for entangle is "To involve in trouble.", and the definition for insinuate is "To suggest indirectly."

The definition for diffident is "Lacking self–confidence." Used in a sentence: The diffident student never raised her hand in class, even when she knew the answer. The definition for prune is "to reduce by removing excess.", the definition for fraud is "Trick.", and the definition for commemorate is "To mark by a ceremony."

The definition for anthology is "A collection of selected literary pieces." Used in a sentence: The writer was thrilled when his story was included in an anthology of American masterpieces. The definition for comparable is "similar, equivalent.", the definition for apathetic is "Showing little or no emotion.", and the definition for fraud is "Trick."