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 negate is "to make invalid.", the definition for opportune is "Suitable or convenient.", and the definition for oblivious is "Lacking awareness."

The definition for equitable is "Fair and equal." Used in a sentence: The judge made an equitable decision dividing the estate evenly among the sisters. The definition for incidental is "minor.", the definition for naive is "Lacking worldy wisdom.", and the definition for clairvoyance is "Ability to see things beyond ordinary perception."

The definition for corrosive is "Bitingly sarcastic." Used in a sentence: The cruel Estella's corrosive comments made Pip cry. The definition for elate is "to fill with joy.", the definition for comprehensible is "Understandable.", and the definition for stifle is "To repress or discourage."

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 ploy is "a contrived plan.", the definition for iridescent is "Having a lustrous or attractivve quality.", and the definition for demean is "To lower status."

The definition for disdain is "Feeling of contempt." Used in a sentence: The arrogant writer did not hide his disdain for his uneducated dinner companion. The definition for raspy is "rough, grating.", the definition for melodious is "Having a pleasing melody.", and the definition for pathos is "Sympathetic pity."