The definition for negate is "To make invalid." Used in a sentence: Paula negated Tiffany's argument by proving that her main premise was false. The definition for methodical is "performed in an orderly manner.", the definition for refurbish is "To brighten or freshen.", and the definition for antidote is "Something that relieves or counteracts."

The definition for civility is "Politeness." Used in a sentence: The usually unruly Thomas acted with great civility when his favorite uncle visited. The definition for curtail is "to make less.", the definition for compulsion is "An irresistible impulse.", and the definition for polarize is "To break up into opposing groups."

The definition for colossal is "Immense, enormous." Used in a sentence: After pushing with all his might, Frank realized he could never move the colossal boulder. The definition for censure is "to find fault with.", the definition for distortion is "The act of twisting out of shape.", and the definition for elate is "To fill with joy."

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 placebo is "an inactive substance used in medical testing.", the definition for apathetic is "Showing little or no emotion.", and the definition for negate is "To make invalid."

The definition for mandate is "An official order or commission to do something." Used in a sentence: Martha reluctantly obeyed the mandate to vacate her apartment. The definition for dubious is "questionable.", the definition for epitaph is "Brief statement honoring a dead person.", and the definition for incongruous is "Not harmonious, incompatible."