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 apathetic is "showing little or no emotion.", the definition for gargantuan is "Gigantic.", and the definition for gruff is "Rough or stern in manner or speech."

The definition for melodious is "Having a pleasing melody." Used in a sentence: The melodious sounds of the symphony soothed Tim after his trying day. The definition for heed is "to pay attention to.", the definition for repel is "To resist, reject.", and the definition for procrastinate is "To put off intentionally."

The definition for polarize is "To break up into opposing groups." Used in a sentence: Thelma tended to polarize discussions rather than to encourage compromise. The definition for sociable is "inclined to seek companionship.", the definition for polarize is "To break up into opposing groups.", and the definition for archaic is "Characteristic of an earlier time."

The definition for awe is "Emotion combining dread and wonder." Used in a sentence: Charlie was in awe of his uncle, a professional football player and chess champion. The definition for perception is "capacity for seeing or understanding.", the definition for prudent is "Marked by wisdom, shrewd.", and the definition for repel is "To resist, reject."

The definition for induce is "To influence or cause." Used in a sentence: The loud blast of the cannon induced an avalanche. The definition for flaw is "an imperfection.", the definition for meticulous is "Extrememly careful regarding details.", and the definition for turmoil is "Extreme confusion, agitation."