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 deferment is "the act of delaying.", the definition for onset is "Beginning.", and the definition for recrimination is "A retaliatory accusation."

The definition for catastrophic is "Relating to extreme misfortune." Used in a sentence: The effects of the massive hurricane were catastrophic. The definition for drab is "dull, monotonous.", the definition for aesthete is "Person having or affecting sensitivity to beauty.", and the definition for flagrant is "Noticeably offensive."

The definition for censure is "To find fault with." Used in a sentence: The critical teacher was quick to censure her students for even small mistakes. The definition for disdain is "feeling of contempt.", the definition for comprehensible is "Understandable.", and the definition for gargantuan is "Gigantic."

The definition for corrective is "Intended to correct." Used in a sentence: The school decided to take corrective measures to prevent truancy. The definition for accentuate is "to emphasize.", the definition for appraise is "To evaluate the worth of.", and the definition for appalling is "Inspiring dismay or disgust."

The definition for discern is "To recognize as separate as distinct." Used in a sentence: The pastry connoisseur was able to discern Swiss from Belgian chocolate. The definition for regale is "to amuse.", the definition for lurid is "Causing horror, shocking.", and the definition for drub is "To defeat decisively."