The definition for epitaph is "Brief statement honoring a dead person." Used in a sentence: "Beloved by all,"" was the epitaph Edgar chose for his wife's tombstone. The definition for dubious is "questionable.", the definition for combustion is "Act of burning.", and the definition for implausible is "Unbelievable."

The definition for derivative is "Lacking originality." Used in a sentence: Critics panned the movie as a derivative version of last year's Best Picture. The definition for comparable is "similar, equivalent.", the definition for cunning is "Showing clever insight.", and the definition for oblivious is "Lacking awareness."

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 defiant is "showing bold resistance.", the definition for rehash is "To discuss again.", and the definition for corroborate is "To support with evidence."

The definition for untenable is "Not able to be defended." Used in a sentence: Rashid made the untenable statement that George Washington was the second president of the United States. The definition for censure is "to find fault with.", the definition for heinous is "Shockingly evil.", and the definition for iridescent is "Having a lustrous or attractivve quality."

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 raucous is "noisy, rowdy.", the definition for commemorate is "To mark by a ceremony.", and the definition for pomp is "Showy display."