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 benefactor is "one who offers financial help.", the definition for corrosive is "Bitingly sarcastic.", and the definition for retroactive is "effective as of a prior time or condition."

The definition for discern is "To recognize as separate as distinct." Used in a sentence: The pastry connoisseur was able to discern Swiss from Belgian chocolate. The definition for buffoonery is "foolish behavior.", the definition for buffer is "Protective barrier.", and the definition for indecorous is "In bad taste."

The definition for promote is "To contribute to the growth or prosperity of." Used in a sentence: The promote peace, the diplomat hosted a talk between the warring nations. The definition for garish is "offensively bright.", the definition for beneficial is "Helpful.", and the definition for fickle is "Lacking constancy, changeable."

The definition for embellish is "To decorate." Used in a sentence: Sari embellished the plain curtains with satin ribbons and tassels. The definition for salvage is "to save from ruin.", the definition for negate is "To make invalid.", and the definition for facade is "false or superficial appearance."

The definition for interminable is "Never ending, or seemingly endless." Used in a sentence: The impatient Zoe found the longwinded lecture interminable. The definition for celebrated is "widely known, respected.", the definition for aerate is "To supply with air.", and the definition for foil is "One that enhances or underscores by contrast."