The definition for corroborate is "To support with evidence." Used in a sentence: "Unless you can corroborate your story, it will not be admissible in court," the attorney told his client. The definition for penurious is "extrememly stingy.", the definition for serenity is "Calmness.", and the definition for combative is "Eager to fight."

The definition for combustion is "Act of burning." Used in a sentence: Campers must use fire with great caution to prevent combustion of the parched brush. The definition for fickle is "lacking constancy, changeable.", the definition for scamper is "To run quickly.", and the definition for ethical is "Conforming to accepted standards."

The definition for elate is "To fill with joy." Used in a sentence: It elated Margaret to be awarded first place in the science fair. The definition for comprehensible is "understandable.", the definition for oblivious is "Lacking awareness.", and the definition for archaic is "Characteristic of an earlier time."

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 fraud is "trick.", the definition for advantageous is "Giving an advantage.", and the definition for euphoria is "Feeling of great happiness."

The definition for accessible is "Easy to reach or to approach." Used in a sentence: The introduction to the complex novel was, thankfully, written in clear accessible language. The definition for stealth is "the act of moving secretly or unnoticed.", the definition for meticulous is "Extrememly careful regarding details.", and the definition for compulsion is "An irresistible impulse."