Phrase guide

roseola infantum

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

A childhood disease caused by human herpesvirus, and characterised by a high-grade fever and a rash which appears as the fever is seemingly resolving.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: medicine, pathology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: roseola, sixth disease, three-day fever, exanthema subitum

Antonyms: none provided

2

noun

Meaning 2

a viral disease of infants and young children; characterized by abrupt high fever and mild sore throat; a few days later there is a faint pinkish rash that lasts for a few hours to a few days

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: exanthema subitum, roseola infantilis, pseudorubella

Antonyms: none provided

Broader terms: disease

History

Etymology

Borrowed from Latin roseola īnfantum (“a rosy (rash) of the infant”).

Across languages

Translations

6 source translations are retained for this English entry.

  • Chinese Mandarin: 小兒急疹 /小儿急疹 (xiǎo'ér jízhěn) — disease
  • Chinese Mandarin: 幼兒急疹 /幼儿急疹 (yòu'ér jízhěn) — disease
  • Chinese Mandarin: 急疹 (jízhěn) — disease
  • Polish: rumień nagły — disease
  • Polish: trzydniówka — disease
  • Vietnamese: sốt phát ban — disease