isekai
/ˈiːsəkaɪ/noun, verb
isekai is spelled I-S-E-K-A-I: 6 letters. It appears about once in every 23 million words in written English, the 145,125th most frequent word form (wordfreq, 2021 data). As a noun, isekai means “A genre of Japanese fiction involving everyday people transported to alternative fantasy or virtual worlds” (English Wiktionary, September 2026). The plural of isekai is isekais.
How many letters and syllables are in isekai?
| Letters | 6: I-S-E-K-A-I |
|---|---|
| In writing | about once in every 23 million words; the 145,125th 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 isekai?
Isekai appears about once in every 23 million words in written English, the 145,125th 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 isekai?
- /ˈiːsəkaɪ/
- /iˈsɛkaɪ/
- /ˈɪsəkaɪ/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Naomi_Persephone_Amethyst_(NaomiAmethyst)-isekai.wav, Wikimedia Commons (author and licence on each file's page).
Forms of isekai
- isekais plural, present, singular, he/she/it
- isekaiing participle, present
- isekaied participle, past
- isekai'd participle, past
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does isekai mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A genre of Japanese fiction involving everyday people transported to alternative fantasy or virtual worlds.
It's not every day that an isekai author gets published out of the sea of isekai stories on there.
- 2
A genre of Japanese fiction in which the protagonist is reincarnated.
- 3
Any piece of media in the above genres.
verb
- 1
slangTo transport (someone) into an alternative world, often by killing them.
- 2
To murder (someone), to kill (someone).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Isekai in Spanish, French, German and Portuguese
| Language | Words |
|---|---|
| French | isekai , isekaïser |
| German | Isekai |
| Spanish | isekai |
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 isekai come from?
Borrowed from Japanese 異世界 (isekai, literally “different world”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).