01 a. Not mature; unripe; not arrived at perfection of full development; crude; unfinished; as, immature fruit; immature character; immature plans.
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1.
Not mature; unripe; not arrived at perfection of full development; crude; unfinished; as, immature fruit; immature character; immature plans.
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2.
Premature; untimely; too early; as, an immature death.[R.]