Enunciate
Pronounce, express
Scamp
Prankster, monkey
Gratuitous
Unmerited, unjustified
Remonstrance
String protest
Appellation
Designation, honorific
Undivulged
Not revealed
Impetuous
Unreasoned, hasty
Inveterate
Incurable, deep-rooted
Imminent
Looming, impending