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Not fertile; unproductive or barren.
(adjective)
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Biology Not capable of initiating, sustaining, or supporting reproduction.
(adjective)
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Biology Not fertilized and hence incapable of growing and developing: infertile duck eggs.
(adjective)
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Not capable of sustaining crops or vegetation: infertile land.
(adjective)
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Unproductive or producing little: a path of research that proved infertile.
(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.