isekai

Borrowed from Japanese 異世界 (isekai, literally “different world”).

• IPA^(key): /ˈiːsəkaɪ/, (uncommon, imitating Japanese pronunciation) /iˈsɛkaɪ/, (uncommon) /ˈɪsəkaɪ/

• Audio (US):

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isekai (countable and uncountable, plural isekai or isekais)

1. (chiefly Japanese fiction, uncountable) A genre of Japanese fiction involving everyday people transported to alternative fantasy or virtual worlds.
   • 2017, Ryo Shirakome, DxS, Arifureta: From Commonplace to World's Strongest (volume 1)

     It's not every day that an isekai author gets published out of the sea of isekai stories on there.

2. (countable) Any piece of media in this genre.

isekai (third-person singular simple present isekais, present participle isekaiing, simple past and past participle isekaied or isekai'd)

1. (fandom slang, transitive) To transport (someone) into an alternative world, often by killing them.

• saikei

Borrowed from Japanese 異世界(いせかい) (isekai, “another world; isekai”).

• (Standard Indonesian) IPA^(key): /iˈsekai̯/ [iˈse.kai̯]
• Rhymes: -ekai̯
• Syllabification: i‧se‧kai

isekai (plural isekai-isekai)

1. another world; isekai

   Synonyms: dimensi lain, dunia lain

• “isekai” in Kamus Besar Bahasa Indonesia, Jakarta: Agency for Language Development and Cultivation – Ministry of Education, Culture, Research, and Technology of the Republic of Indonesia, 2016.

isekai

1. Rōmaji transcription of いせかい

Borrowed from Japanese 異世界.

• IPA^(key): /iˈsekaj/ [iˈse.kai̯]

isékai (plural isekai-isekai)

1. (fandom slang, humorous) alternative world
   • 2025 May 31, u/DoubleDifference8041, “GUYS, RARE FIRE RAINBOW PHENOMENON OCCURRED IN KELANTAN”, in Reddit‎^[1], archived from the original on 24 June 2025:

     maaf bey, adik kito duk main alat portal nok gi ke isekai.

     Sorry bro, my younger sibling is playing with the portal device to go to another world.

isékai

1. (fandom slang, transitive) to transport someone into an alternative world by killing them