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Not positive nor neutral.
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(physics) Of electrical charge of an electron and related particles
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(mathematics) Of a number: less than zero.
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(linguistics, logic) Denying a proposition; negating a concept.
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Damaging; undesirable; unfavourable.
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(often used pejoratively) Pessimistic; not tending to see the bright side of things.
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Of or relating to a photographic image in which the colours of the original, and the relations of left and right, are reversed.
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(chemistry) Metalloidal, nonmetallic; contrasted with positive or basic.
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(New Age jargon, derogatory) Often preceded by emotion, energy, feeling, or thought: to be avoided, bad, difficult, disagreeable, painful, potentially damaging, unpleasant, unwanted.
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Characterized by the presence of features which do not support a hypothesis.
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(slang) HIV negative.
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(slang) COVID-19 negative.
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(hyperbolic) No, not any, zero.