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 discern is "to recognize as separate as distinct.", the definition for defiant is "Showing bold resistance.", and the definition for grandiose is "With an affectation of grandeur."

The definition for demean is "To lower status." Used in a sentence: The embarrassing photograph demeaned the candidate in the eyes of the voters. The definition for duplicity is "deceptive thought, speech, or action.", the definition for discern is "To recognize as separate as distinct.", and the definition for obnoxious is "Highly offensive."

The definition for facade is "false or superficial appearance." Used in a sentence: Emily's smile is just a facade masking her broken heart. The definition for punctual is "on time.", the definition for lurid is "Causing horror, shocking.", and the definition for regurgitate is "To pour out or throw back."

The definition for extenuating is "Partially excusing." Used in a sentence: The extenuating circumstance of Calvin's illness caused the teacher to excuse his lateness. The definition for adversary is "one who opposes or resists.", the definition for genial is "Sympathetic, friendly.", and the definition for rancorous is "Marked by deep ill–will."

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 serenity is "calmness.", the definition for finite is "Having definite limits.", and the definition for combustion is "Act of burning."