adj · 3 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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/pləˈnɛtɪk/
rhymes with -ɛtɪk
1
adj
Meaning 1
Of or relating to planets; planetary.
Definition source: English Wiktionary via Wiktextract
Usage: rare
Topics: astronomy, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: planetical
Antonyms: none provided
2
adj
Meaning 2
Ever-changing; erratic, turbulent.
Definition source: English Wiktionary via Wiktextract
Usage: figuratively, obsolete
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
adj
Meaning 3
Of or relating to the transfer of nuclei between cells (in certain fungi and algae species).
Definition source: English Wiktionary via Wiktextract
Topics: biology, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
Borrowed from Latin planeticus, from Ancient Greek πλανητικός (planētikós), from πλανητός (planētós, “wandering; planetary”), from πλανήτης (planḗtēs, “wanderer, planet”), from πλανάω (planáō, “to wander”) + -της (-tēs, masculine agent noun suffix).