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 prudent is "marked by wisdom, shrewd.", the definition for periodic is "Occurring at regular intervals.", and the definition for inauspicious is "Not favorable."

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 opportune is "suitable or convenient.", the definition for entangle is "To involve in trouble.", and the definition for gargantuan is "Gigantic."

The definition for apathetic is "Showing little or no emotion." Used in a sentence: Carmine was concerned about his usually cheerful brother's apathetic attitude. The definition for oblivious is "lacking awareness.", the definition for corrosive is "Bitingly sarcastic.", and the definition for camaraderie is "Spirit of friendship."

The definition for manifest is "Obvious." Used in a sentence: James finally made his affection manifest when he handed Jessica a red rose. The definition for flaunt is "to display showily.", the definition for precept is "A general rule of action.", and the definition for refurbish is "To brighten or freshen."

The definition for heinous is "Shockingly evil." Used in a sentence: Eduardo's heinous betrayal of Lydia shocked even Latasha, who knew his evil ways. The definition for proximity is "closeness.", the definition for mandate is "An official order or commission to do something.", and the definition for dubious is "Questionable."