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 melodious is "having a pleasing melody.", the definition for perception is "Capacity for seeing or understanding.", and the definition for retroactive is "effective as of a prior time or condition."

The definition for curtail is "To make less." Used in a sentence: Doreen decided to curtail her spending after she bounced a check. The definition for demean is "to lower status.", the definition for ploy is "A contrived plan.", and the definition for untenable is "Not able to be defended."

The definition for incisive is "Impressively direct and decisive." Used in a sentence: Samir's incisive leadership made him the natural choice for president of the company. The definition for regurgitate is "to pour out or throw back.", the definition for flagrant is "Noticeably offensive.", and the definition for comparable is "Similar, equivalent."

The definition for aerate is "To supply with air." Used in a sentence: Every spring, Soloman used his tiller to aerate the compact soil. The definition for composed is "calm.", the definition for commemorate is "To mark by a ceremony.", and the definition for manifest is "Obvious."

The definition for onset is "Beginning." Used in a sentence: Crocuses bloom at the onset of spring, sometimes even before the snow melts. The definition for buffoonery is "foolish behavior.", the definition for derelict is "Abandoned.", and the definition for composed is "Calm."