Standard Lemma guide

seaweed

noun · 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

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.

  • UK: /ˈsiːwiːd/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • US: /ˈsiwid/
  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: S IY1 W IY2 D Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

Any of numerous marine algae, such as a kelp.

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

Any of various fresh water plants and algae.

Definition source: English Wiktionary via Wiktextract

Usage: broadly, uncountable, usually

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

plant growing in the sea, especially marine algae

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: alga, algae

Narrower terms: arame, wrack, seagrass, sea wrack, tang, sea tang

History

Etymology

Etymology tree English sea Proto-West Germanic *weud Old English wēod Middle English weed English weed English seaweed From sea + weed.

Across languages

Translations

139 source translations are retained for this English entry.

  • Afrikaans: alg — marine algae
  • Afrikaans: alge — marine algae
  • Ainu: コンボ (kombo) — marine algae
  • Albanian: leshterik — marine algae
  • Aleut: qahngus — marine algae
  • Amharic: የባህር አረም (yäbahr ʾäräm) — marine algae
  • Arabic: عُشْب بَحْرِيّ (ʕušb baḥriyy) — marine algae
  • Armenian: ծովային ջրիմուռ (covayin ǰrimuṙ) — marine algae
  • Assamese: সাগৰীয়া শেলাই (xagoria xelai) — marine algae
  • Asturian: ocla — marine algae
  • Aymara: llachu — marine algae
  • Azerbaijani: yosun — marine algae
  • Basque: alga — marine algae
  • Belarusian: марскі́я во́дарасці (marskíja vódarasci) — marine algae
  • Belarusian: во́дарасці (vódarasci) — marine algae
  • Bengali: সামুদ্রিক শৈবাল (śamudrik śōibal) — marine algae
  • Breton: felu — marine algae
  • Bulgarian: водора́сли (vodorásli) — marine algae
  • Burmese: ပင်လယ်ရေမှော် (panglairehmau) — marine algae
  • Catalan: algues — marine algae
  • Cebuano: sagbot sa dagat — marine algae
  • Chichewa: udzu wa m'nyanja — marine algae
  • Chinese Mandarin: 海帶 /海带 (hǎidài) — marine algae
  • Chinese Mandarin: 海藻 (hǎizǎo) — marine algae
  • Chinese Mandarin: 昆布 (kūnbù) — marine algae
  • Cornish: goumman — marine algae
  • Corsican: alga — marine algae
  • Czech: chaluha — marine algae
  • Danish: tang — marine algae
  • Dogri: समुद्री शैवाल (samudrī śaivāl) — marine algae
  • Dutch: zeewier — marine algae
  • Esperanto: algo — marine algae
  • Estonian: adru — marine algae
  • Ewe: ƒumegbewo — marine algae
  • Faroese: tari — marine algae
  • Faroese: alga — marine algae
  • Finnish: merilevä — marine algae
  • French: algues marines — marine algae
  • West-Frisian: seewier — marine algae
  • Galician: olga — marine algae
  • Galician: ouca — marine algae
  • Galician: golfe — marine algae
  • Galician: argazo — marine algae
  • Galician: alga — marine algae
  • Georgian: ზღვის მცენარეების (zɣvis mcenareebis) — marine algae
  • German: Algen — marine algae
  • German: Tang — marine algae
  • German: Seetang — marine algae
  • Greek: φύκι (fýki) — marine algae
  • Ancient Greek: φῦκος (phûkos) — marine algae
  • Gujarati: સીવીડ (sīvīḍ) — marine algae
  • Haitian Creole: alg — marine algae
  • Hawaiian: limu — marine algae
  • Hebrew: אַצָּה (atsá) — marine algae
  • Hungarian: hínár — marine algae
  • Icelandic: þang — marine algae
  • Ido: fuko — marine algae
  • Igbo: ahihia mmiri — marine algae
  • Indonesian: rumput laut — marine algae
  • Interlingua: alga — marine algae
  • Irish: feamainn — marine algae
  • Italian: alghe — marine algae
  • Japanese: 海藻 (kaisō) — marine algae
  • Javanese: rumput laut — marine algae
  • Kannada: ಕಡಲಕಳೆ (kaḍalakaḷe) — marine algae
  • Kannada: ಕಡಲಜೊಂಡು (kaḍalajoṇḍu) — marine algae
  • Kazakh: теңіз орамжапырақ (teñız oramjapyraq) — marine algae
  • Khmer: សារាយ (saaraay) — marine algae
  • Korean: 해초 (haecho) — marine algae
  • Krio: siwid — marine algae
  • Central Kurdish: جۆگەلە دەریاییەکان (cogele deryayyekan) — marine algae
  • Northern Kurdish: kefz — marine algae
  • Kyrgyz: деңиз балыры (deŋiz balırı) — marine algae
  • Lao: ສາຫຼ່າຍທະເລ (sā lāi tha lē) — marine algae
  • Latin: alga — marine algae
  • Latin: fūcus — marine algae
  • Latvian: jūraszāles — marine algae
  • Lithuanian: jūros dumblių — marine algae
  • Luganda: omuddo gw’omu nnyanja — marine algae
  • Macedonian: морска трева (morska treva) — marine algae
  • Maithili: समुद्री शैवाल (samudrī śaivāl) — marine algae
  • Malay: rumpai laut — marine algae
  • Malay: lumut — marine algae
  • Brunei Malay: rumpai laut — marine algae
  • Malayalam: കടൽപ്പായൽ (kaṭalppāyal) — marine algae
  • Maltese: alka tal-baħar — marine algae
  • Manx: famlagh — marine algae
  • Manx: fammyragh — marine algae
  • Māori: rimurimu — marine algae
  • Māori: rimurapa moana — marine algae
  • Marathi: शेवाळ (śevāḷ) — marine algae
  • Mirandese: ouca — marine algae
  • Mirandese: oucas — marine algae
  • Mongolian: далайн ургамал (dalajn urgamal) — marine algae
  • Nepali: समुद्री शैवाल (samudrī śaiwāl) — marine algae
  • Nogai: сувот (suvot) — marine algae
  • Norman: vrai — marine algae
  • Northern Sotho: lehola la lewatle — marine algae
  • Norwegian Bokmål: tang — marine algae
  • Norwegian Nynorsk: tang — marine algae
  • Occitan: algas — marine algae
  • Oromo: biqiltuu galaanaa — marine algae
  • Iranian Persian: جُلْبَکِ دَرْیایی (jolbak-e daryâyi) — marine algae
  • Iranian Persian: جُلوَزَغ (jol-vazaġ) — marine algae
  • Polish: glon — marine algae
  • Polish: wodorost — marine algae
  • Portuguese: alga — marine algae
  • Punjabi: ਸੀਵੀਡ (sīvīḍ) — marine algae
  • Romanian: alge marine — marine algae
  • Russian: во́доросль (vódoroslʹ) — marine algae
  • Russian: во́доросли (vódorosli) — marine algae
  • Russian: морска́я трава́ (morskája travá) — marine algae
  • Rwanda-Rundi: ibyatsi byo mu nyanja — marine algae
  • Samoan: limu sami — marine algae
  • Sanskrit: समुद्री शैवालः (samudrī śaivālaḥ) — marine algae
  • Scottish Gaelic: feamainn — marine algae
  • Scottish Gaelic: feamad (Scalpay, Uig) — marine algae
  • Serbo-Croatian: морска трава — marine algae
  • Serbo-Croatian: morska trava — marine algae
  • Slovene: morska trava — marine algae
  • Slovene: haloga — marine algae
  • Spanish: algas — marine algae
  • Spanish: alga marina — marine algae
  • Swahili: mwani — marine algae
  • Swedish: tång — marine algae
  • Swedish: sjögräs — marine algae
  • Tagalog: damong-dagat — marine algae
  • Tamil: கடற்பாசி (kaṭaṟpāci) — marine algae
  • Thai: สาหร่ายทะเล (sǎa-ràai-tá-lee) — marine algae
  • Turkish: deniz yosunu — marine algae
  • Turkish: erişte — marine algae
  • Ukrainian: во́дорості (vódorosti) — marine algae
  • Ukrainian: морські́ во́дорості (morsʹkí vódorosti) — marine algae
  • Venetan: ałega — marine algae
  • Vietnamese: tảo biển — marine algae
  • Vietnamese: rong biển — marine algae
  • Volapük: laleg — marine algae
  • Welsh: gwymon — marine algae
  • Yiddish: ים־גראָז (yam-groz) — marine algae
Real reading context

seaweed in complete knowledge articles