Phrase guide

serum sickness

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

An allergylike reaction to proteins in antiserum derived from animal sources.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a delayed allergic reaction to the injection of an antiserum caused by an antibody reaction to an antigen in the donor serum

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: serum disease

Antonyms: none provided

Broader terms: allergy, allergic reaction

History

Etymology

No etymology was provided for this word.

Across languages

Translations

1 source translations are retained for this English entry.

  • Finnish: seerumitauti — allergylike reaction