The quality or state of being clear, specific, and not vague or uncertain.
From definite (clearly defined) plus -ness (abstract noun suffix). Definite comes from Latin definitus (limited, finished).
The English language has beautiful precision here—'definiteness' captures the quality of having clear boundaries, while 'definitivity' emphasizes finality. Interestingly, science prizes definiteness but acknowledges that many truths resist complete definition.
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