As a character, she is rather absent-minded, arrogant, and self-centered, and does not think before she acts.
en.wikipedia.org Somewhat absent-minded, he is usually too busy starting new projects to see his old experiments through to the end.
en.wikipedia.org His absent-minded approach to cases, his distracted outbursts and constant pestering of suspects is his "modus operandi".
en.wikipedia.org He was a profound student, though absent-minded, preferring the seclusion of a college to the episcopal office.
en.wikipedia.org She is cheerful, imaginative, dreamy, and permanently enamored, yet, a bit absent-minded, forgetful, and uses to easily lose her concentration.
en.wikipedia.org