purposeful
/ˈpɝ.pəs.fəl/ adjective B2- Having purpose: having intention or meaning; intentional.
- Having a purpose in mind; resolute; determined, full of determination.
From the library
I was convinced, from his intent face and his purposeful manner, that at last he was upon a clue.
Its tenacious grip plucked at our heels as we walked, and when we sank into it it was as if some malignant hand was tugging us down into those obscene depths, so grim and purposeful was the clutch in which it held us.
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