sessile
/ˈsɛsaɪl/adjective
sessile is spelled S-E-S-S-I-L-E: 7 letters. It appears about once in every 4 million words in written English, the 56,788th most frequent word form (wordfreq, 2021 data). As an adjective, sessile means “Permanently attached to a substrate; not free to move about” (English Wiktionary, September 2026).
How many letters and syllables are in sessile?
| Letters | 7: S-E-S-S-I-L-E |
|---|---|
| In writing | about once in every 4 million words; the 56,788th 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 sessile?
Sessile appears about once in every 4 million words in written English, the 56,788th 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 sessile?
- /ˈsɛsaɪl/
- /ˈsɛsɪl/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-sessile.wav, Wikimedia Commons (author and licence on each file's page).
What does sessile mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Permanently attached to a substrate; not free to move about.
a sessile oyster
- 2
Attached directly by the base; not having an intervening stalk; stalkless.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Sessile in Spanish, French, German and Portuguese
| Language | Words |
|---|---|
| French | sessile |
| German | festgewachsen, festsitzend, sitzend, sessil , ungestielt, stiellos |
| Portuguese | séssil |
| Spanish | sésil |
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 sessile come from?
From Latin sessilis (“sitting”), from sessus, perfect passive participle of verb sedeō (“to sit”), + adjective suffix -ilis. Compare session.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).