The definition for gruff is "Rough or stern in manner or speech." Used in a sentence: Heidi's grandfather was gruff, barking stern orders and hardly smiling. The definition for pretentious is "making unjustified claims.", the definition for inflammatory is "Tending to excite anger.", and the definition for derelict is "Abandoned."

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 prudent is "marked by wisdom, shrewd.", the definition for censure is "To find fault with.", and the definition for penurious is "Extrememly stingy."

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 extenuating is "partially excusing.", the definition for polarize is "To break up into opposing groups.", and the definition for embellish is "To decorate."

The definition for authoritarian is "Favoring absolute obedience to authority." Used in a sentence: Marco's authoritarian mother never allowed him to watch more than one hour of television a day. The definition for lenient is "mild or tolerant.", the definition for gargantuan is "Gigantic.", and the definition for abate is "Become less in amount or intensity."

The definition for lurid is "Causing horror, shocking." Used in a sentence: The lurid photos of the crime scene upset the jury. The definition for iridescent is "having a lustrous or attractivve quality.", the definition for elate is "To fill with joy.", and the definition for dubious is "Questionable."