The definition for incidental is "Minor." Used in a sentence: The accountant advised Justine not to report her incidental expenses. The definition for polarize is "to break up into opposing groups.", the definition for derelict is "Abandoned.", and the definition for elusive is "Hard to grasp."

The definition for exception is "A case to which the rule does not apply." Used in a sentence: The teacher made an exception and let Gina eat her snack in class. The definition for brandish is "to shake or wave menacingly.", the definition for prudent is "Marked by wisdom, shrewd.", and the definition for appalling is "Inspiring dismay or disgust."

The definition for dubious is "Questionable." Used in a sentence: Karl found Kevin's claim that he was sick dubious, as he had just seen him playing football. The definition for trove is "valuable collection.", the definition for conduit is "Means for transmitting or distributing.", and the definition for abate is "Become less in amount or intensity."

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 advantageous is "giving an advantage.", the definition for avian is "Relating to birds.", and the definition for sociable is "Inclined to seek companionship."

The definition for iridescent is "Having a lustrous or attractivve quality." Used in a sentence: The movie star's iridescent presence charmed even the hardened reporter. The definition for immoderate is "beyond usual or proper limits.", the definition for opportune is "Suitable or convenient.", and the definition for procrastinate is "To put off intentionally."