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 elate is "to fill with joy.", the definition for combustion is "Act of burning.", and the definition for aerate is "To supply with air."

The definition for interminable is "Never ending, or seemingly endless." Used in a sentence: The impatient Zoe found the longwinded lecture interminable. The definition for rehash is "to discuss again.", the definition for proximity is "Closeness.", and the definition for heed is "To pay attention to."

The definition for belated is "Past the normal or proper time." Used in a sentence: Even though I forgot his birthday, I hoe my father accepts my belated card. The definition for disconcert is "to throw into confusion.", the definition for regurgitate is "To pour out or throw back.", and the definition for ecstatic is "Overwhelmingly emotional."

The definition for disconcert is "To throw into confusion." Used in a sentence: Jennifer's outspoken criticism of the meal disoncerted the waiter. The definition for pomp is "showy display.", the definition for advantageous is "Giving an advantage.", and the definition for civility is "Politeness."

The definition for punctual is "On time." Used in a sentence: Ron was worried when the usually punctual Amanda was late for the show. The definition for deferment is "the act of delaying.", the definition for immoderate is "Beyond usual or proper limits.", and the definition for negate is "To make invalid."