Phrase guide

hot Jupiter

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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

No pronunciation record was provided for this word.

1

noun

Meaning 1

An exosolar planet whose characteristics are similar to Jupiter, but which orbits its parent star much more closely and thus has higher temperatures.

Definition source: English Wiktionary via Wiktextract

Topics: astronomy, natural-sciences, planetology

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: pegasid, epistellar Jovian

Antonyms: none provided

Broader terms: jupiter, roaster, exoplanet, planet

2

noun

Meaning 2

Alternative letter-case form of hot Jupiter.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

No etymology was provided for this word.

Across languages

Translations

3 source translations are retained for this English entry.

  • Finnish: kuuma jupiter — type of exoplanet
  • French: Jupiter chaud — type of exoplanet
  • French: Jupiter chaude — type of exoplanet