The definition for augment is "To make greater." Used in a sentence: Wanda read the dictionary every night to augment her vocabulary. The definition for colossal is "immense, enormous.", the definition for implausible is "Unbelievable.", and the definition for corrosive is "Bitingly sarcastic."

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 supple is "Flexible.", and the definition for redouble is "To make twice as great."

The definition for fraud is "Trick." Used in a sentence: The con man's fraud involved selling swampland to gullible investors. The definition for entangle is "to involve in trouble.", the definition for pathos is "Sympathetic pity.", and the definition for elusive is "Hard to grasp."

The definition for appraise is "To evaluate the worth of." Used in a sentence: Simone, an expert in African sculpture, was asked to appraise the ambassador's collection of masks. The definition for serenity is "calmness.", the definition for placebo is "An inactive substance used in medical testing.", and the definition for oblivious is "Lacking awareness."

The definition for commemorate is "To mark by a ceremony." Used in a sentence: Each year, the Franklins commemorate their anniversary by visiting the site of their first date. The definition for comparable is "similar, equivalent.", the definition for anthology is "A collection of selected literary pieces.", and the definition for accommodate is "To give consideration to."