The definition for serenity is "Calmness." Used in a sentence: The serenity of the glassy sea soothed the sailors after the big storm. The definition for implausible is "unbelievable.", the definition for penurious is "Extrememly stingy.", and the definition for deferment is "The act of delaying."

The definition for cunning is "Showing clever insight." Used in a sentence: The general devised a cunning strategy to outfox the enemy. The definition for iridescent is "having a lustrous or attractivve quality.", the definition for stifle is "To repress or discourage.", and the definition for turpitude is "Essential baseness, depravity."

The definition for fraud is "Trick." Used in a sentence: The con man's fraud involved selling swampland to gullible investors. The definition for eulogy is "speech or writing in praise of deceased.", the definition for serenity is "Calmness.", and the definition for immoderate is "Beyond usual or proper limits."

The definition for incumbent is "Necessary as a duty or responsibility." Used in a sentence: It was incumbent on Jack to attend his father's retirement party. The definition for placebo is "an inactive substance used in medical testing.", the definition for brandish is "To shake or wave menacingly.", and the definition for drub is "To defeat decisively."

The definition for sociable is "Inclined to seek companionship." Used in a sentence: The sociable Glenda was delighted to receive the party invitation. The definition for rail is "to scold in harsh language.", the definition for accentuate is "To emphasize.", and the definition for ploy is "A contrived plan."