Standard Lemma guide

protist

noun · 5 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.

  • /ˈproʊtɪst/
  • Southern-England: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

Any of the eukaryotic, usually unicellular organisms—including protozoans, slime molds and some algae—historically grouped into the kingdom Protista (or Protoctista), now distributed over several clades; any eukaryote that is not a plant, animal or fungus.

Definition source: English Wiktionary via Wiktextract

Topics: biology, microbiology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: protistan

Antonyms: none provided

2

noun

Meaning 2

Any of the eukaryotic, usually unicellular organisms—including protozoans, slime molds and some algae—historically grouped into the kingdom Protista (or Protoctista), now distributed over several clades; any eukaryote that is not a plant, animal or fungus.

Any single-celled eukaryote, prokaryote or sponge .

Definition source: English Wiktionary via Wiktextract

Topics: biology, microbiology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: protistan

Antonyms: none provided

3

noun

Meaning 3

Any of the eukaryotic, usually unicellular organisms—including protozoans, slime molds and some algae—historically grouped into the kingdom Protista (or Protoctista), now distributed over several clades; any eukaryote that is not a plant, animal or fungus.

Any single-celled eukaryote or prokaryote .

Definition source: English Wiktionary via Wiktextract

Topics: biology, microbiology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: protistan

Antonyms: none provided

4

noun

Meaning 4

Any of the eukaryotic, usually unicellular organisms—including protozoans, slime molds and some algae—historically grouped into the kingdom Protista (or Protoctista), now distributed over several clades; any eukaryote that is not a plant, animal or fungus.

Any single-celled eukaryote .

Definition source: English Wiktionary via Wiktextract

Topics: biology, microbiology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: protistan

Antonyms: none provided

5

noun

Meaning 5

free-living or colonial organisms with diverse nutritional and reproductive modes

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: protistan

Antonyms: none provided

Broader terms: microorganism, micro-organism

History

Etymology

From translingual Protista, from Ancient Greek πρώτιστος (prṓtistos).

Across languages

Translations

31 source translations are retained for this English entry.

  • Armenian: պրոտիստ (protist) — eukaryotic unicellular organisms
  • Bulgarian: протист (protist) — eukaryotic unicellular organisms
  • Chinese Mandarin: 原生生物 (yuánshēng shēngwù) — eukaryotic unicellular organisms
  • Czech: protista — eukaryotic unicellular organisms
  • Danish: protist — eukaryotic unicellular organisms
  • Dutch: protist — eukaryotic unicellular organisms
  • Esperanto: protisto — eukaryotic unicellular organisms
  • Estonian: protist — eukaryotic unicellular organisms
  • Finnish: alkueliö — eukaryotic unicellular organisms
  • Finnish: protisti — eukaryotic unicellular organisms
  • Finnish: protoktisti — eukaryotic unicellular organisms
  • French: protiste — eukaryotic unicellular organisms
  • Galician: protista — eukaryotic unicellular organisms
  • Georgian: პროტისტი (ṗroṭisṭi) — eukaryotic unicellular organisms
  • German: Protist — eukaryotic unicellular organisms
  • Hungarian: protiszta — eukaryotic unicellular organisms
  • Icelandic: frumvera — eukaryotic unicellular organisms
  • Ido: protisto — eukaryotic unicellular organisms
  • Irish: prótaisteach — eukaryotic unicellular organisms
  • Italian: protista — eukaryotic unicellular organisms
  • Japanese: 原生生物 (gensei seibutsu) — eukaryotic unicellular organisms
  • Korean: 원생생물 (wonsaengsaengmul) — eukaryotic unicellular organisms
  • Polish: protista — eukaryotic unicellular organisms
  • Portuguese: protista — eukaryotic unicellular organisms
  • Romanian: protist — eukaryotic unicellular organisms
  • Russian: проти́ст (protíst) — eukaryotic unicellular organisms
  • Spanish: protista — eukaryotic unicellular organisms
  • Swedish: protist — eukaryotic unicellular organisms
  • Turkish: protist — eukaryotic unicellular organisms
  • Ukrainian: найпростіш (najprostiš) — eukaryotic unicellular organisms
  • Vietnamese: sinh vật đơn bào — eukaryotic unicellular organisms