se·​ro·​pos·​i·​tive | \ ˌsir-ō-ˈpä-zə-tiv, -ˈpäz-tiv\

Definition of seropositive

: having or being a positive serum reaction especially in a test for the presence of an antibody

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Other Words from seropositive

seropositivity \ ˌsir-​ō-​ˌpä-​zə-​ˈti-​və-​tē \ noun

Examples of seropositive in a Sentence

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And indeed, most of the seropositive Peruvians reported that they had been bitten by a vampiro at least once. Monica Murphy And Bill Wasik, WIRED, "Bats Incredible: The Mystery of Rabies Survivorship Deepens," 2 Aug. 2012

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'seropositive.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of seropositive

circa 1930, in the meaning defined above

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The first known use of seropositive was circa 1930

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More Definitions for seropositive


se·​ro·​pos·​i·​tive | \ -ˈpäz-ət-iv, -ˈpäz-tiv \

Medical Definition of seropositive

: having or being a positive serum reaction especially in a test for the presence of an antibody a seropositive donor

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