seropositive

adjective, noun

seropositive is spelled S-E-R-O-P-O-S-I-T-I-V-E: 12 letters. It appears about once in every 19 million words in written English, the 131,834th most frequent word form (wordfreq, 2021 data). As an adjective, seropositive means “Of blood serum, testing positive for a given pathogen, especially HIV (HIV positive)” (English Wiktionary, September 2026).

How many letters and syllables are in seropositive?

Letters	12: S-E-R-O-P-O-S-I-T-I-V-E
In writing	about once in every 19 million words; the 131,834th most frequent word form
Wrong spellings searched	none measured in search

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How common is seropositive?

Seropositive appears about once in every 19 million words in written English, the 131,834th most frequent word form in the list.

seropositive0.0010.010.11101001,00010,000

rarerper million words of written Englishmore common

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

Forms of seropositive

seropositives plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does seropositive mean?

The meanings the English Wiktionary records, quoted as written there (source below).

adjective

1
Of blood serum, testing positive for a given pathogen, especially HIV (HIV positive).
2
Of a person or animal, having seropositive blood serum.

noun

1
A person with such blood serum.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Seropositive in Spanish, French, German and Portuguese

In the sense testing positive for a given pathogen:

Language	Words
French	séropositif
Portuguese	seropositivo, soropositivo
Spanish	seropositivo

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.