Bloodstream

noun

noun ·2 syllables ·Uncommon ·Advanced level

Definitions

Noun

1
The flow of blood through the circulatory system of an animal
"virus in the bloodstream"
2
the blood flowing through the circulatory system wordnet

Synonyms

antibody antigen arterial blood blood blood bank blood cell

Example

"The infection has reached the bloodstream."

Etymology

From blood + stream.

Related phrases

circulatory system

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.