The definition for authoritarian is "Favoring absolute obedience to authority." Used in a sentence: Marco's authoritarian mother never allowed him to watch more than one hour of television a day. The definition for periodic is "occurring at regular intervals.", the definition for clarity is "Clearness.", and the definition for serenity is "Calmness."

The definition for incidental is "Minor." Used in a sentence: The accountant advised Justine not to report her incidental expenses. The definition for illuminate is "to make clear.", the definition for aesthete is "Person having or affecting sensitivity to beauty.", and the definition for defiant is "Showing bold resistance."

The definition for celebrated is "Widely known, respected." Used in a sentence: The fans waited for hours to catch a glimpse of the celebrated actress. The definition for heinous is "shockingly evil.", the definition for gargantuan is "Gigantic.", and the definition for extant is "Currently existing."

The definition for ecstatic is "Overwhelmingly emotional." Used in a sentence: They were ecstatic when their team won the championship game in the last second. The definition for iridescent is "having a lustrous or attractivve quality.", the definition for lenient is "Mild or tolerant.", and the definition for extol is "To praise highly."

The definition for futile is "Without purpose, completely ineffective." Used in a sentence: Arguing with Andrew is futile because he never changes his mind. The definition for genial is "sympathetic, friendly.", the definition for stealth is "The act of moving secretly or unnoticed.", and the definition for finite is "Having definite limits."