The definition for melodious is "Having a pleasing melody." Used in a sentence: The melodious sounds of the symphony soothed Tim after his trying day. The definition for gargantuan is "gigantic.", the definition for insinuate is "To suggest indirectly.", and the definition for obnoxious is "Highly offensive."

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 retroactive is "effective as of a prior time or condition.", the definition for refurbish is "To brighten or freshen.", and the definition for combustion is "Act of burning."

The definition for elusive is "Hard to grasp." Used in a sentence: The words to the song are elusive, as the singer tends to mumble. The definition for moderate is "tending toward the average.", the definition for epistolary is "Contained or carried on in letters.", and the definition for celebrated is "Widely known, respected."

The definition for turmoil is "Extreme confusion, agitation." Used in a sentence: The windstorm caused such turmoil in the lake that the sailboat capsized. The definition for buffoonery is "foolish behavior.", the definition for gargantuan is "Gigantic.", and the definition for serenity is "Calmness."

The definition for incumbent is "Necessary as a duty or responsibility." Used in a sentence: It was incumbent on Jack to attend his father's retirement party. The definition for gruff is "rough or stern in manner or speech.", the definition for frugal is "Thrifty, cheap.", and the definition for pallid is "Lacking color."