seaweed
sea·weed/ˈsiwid/noun
seaweed is spelled S-E-A-W-E-E-D: 7 letters and 2 syllables (sea·weed). It appears 1.7 times per million words in written English, the 21,798th most frequent word form (wordfreq, 2021 data). As a noun, seaweed means “Any of numerous marine algae, such as a kelp” (English Wiktionary, September 2026). The plural of seaweed is seaweeds.
How many letters and syllables are in seaweed?
| Letters | 7: S-E-A-W-E-E-D |
|---|---|
| Syllables | 2: sea·weed |
| In writing | 1.7 times per million words; the 21,798th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is seaweed?
Seaweed appears 1.7 times per million words in written English, the 21,798th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce seaweed?
- UK /ˈsiːwiːd/
- US /ˈsiwid/
Seaweed has 2 syllables, split sea·weed in writing.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-seaweed.wav, LL-Q1860_(eng)-Wodencafe-seaweed.wav, Wikimedia Commons (author and licence on each file's page).
Words people confuse with seaweed
Also written: sea-weed (one word or two).
Sources: English Wiktionary (homophones, alternative spellings).
Forms of seaweed
- seaweeds plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does seaweed mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Any of numerous marine algae, such as a kelp.
- 2
Any of various fresh water plants and algae.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Seaweed in Spanish, French, German and Portuguese
In the sense marine algae:
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does seaweed come from?
From sea + weed.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).