The definition for periodic is "Occurring at regular intervals." Used in a sentence: The periodic innterruptions of the cuckoo clock prevented Li from concentrating. The definition for eulogy is "speech or writing in praise of deceased.", the definition for futile is "Without purpose, completely ineffective.", and the definition for pretentious is "Making unjustified claims."

The definition for beneficial is "Helpful." Used in a sentence: there is no doubt that eating vegetables is beneficial to one's health. The definition for cunning is "showing clever insight.", the definition for flaunt is "To display showily.", and the definition for deferment is "The act of delaying."

The definition for extenuating is "Partially excusing." Used in a sentence: The extenuating circumstance of Calvin's illness caused the teacher to excuse his lateness. The definition for implement is "to carry out or accomplish.", the definition for untenable is "Not able to be defended.", and the definition for incumbent is "Necessary as a duty or responsibility."

The definition for fidelity is "State of being faithful." Used in a sentence: Unlike her fickle friend Benji, May Belle was known for her fidelity. The definition for flourish is "to make bold, sweeping gestures.", the definition for procrastinate is "To put off intentionally.", and the definition for repentant is "Feeling regret."

The definition for futile is "Without purpose, completely ineffective." Used in a sentence: Arguing with Andrew is futile because he never changes his mind. The definition for rancorous is "marked by deep ill–will.", the definition for incisive is "Impressively direct and decisive.", and the definition for melodious is "Having a pleasing melody."