The definition for unscrupulous is "Lacking principles." Used in a sentence: The unscrupulous salesman was fired for lying to his customers. The definition for demeanor is "behavior towards others.", the definition for exception is "A case to which the rule does not apply.", and the definition for redouble is "To make twice as great."

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 mundane is "practical, ordinary.", the definition for perception is "Capacity for seeing or understanding.", and the definition for serenity is "Calmness."

The definition for egotist is "Self–important person." Used in a sentence: Darren dreaded carpooling with the egotist Shelly, who talked about herself nonstop. The definition for raucous is "noisy, rowdy.", the definition for avian is "Relating to birds.", and the definition for disconcert is "To throw into confusion."

The definition for illuminate is "To make clear." Used in a sentence: Her excellent lecture illuminated the complicated subject of nuclear physics. The definition for duplicity is "deceptive thought, speech, or action.", the definition for moderate is "Tending toward the average.", and the definition for facade is "false or superficial appearance."

The definition for composed is "Calm." Used in a sentence: Although her stomach was in knots, the actress appeared perfectly composed when she took the stage. The definition for salvage is "to save from ruin.", the definition for antidote is "Something that relieves or counteracts.", and the definition for comprehensible is "Understandable."