2. (adjective) Pure, absolute, unadulterated; primarily used in describing abstract concepts or feelings, rather than material objects.
Contrary to what some may believe, "utter" is NEVER a noun. Cows do not have "utters;" those would be udders. No person or thing can have or act on an "utter," as there is no such thing as an "utter." The only acceptable noun form of "utter" is utterance.
1. To cast the spell, you must first utter the incantation.