Unknown

"Unknown" in Japanese

不明な

fumei na

(not known)

未知の

michi no

(not known)

無名な

mumei na

(not known)

名無し

nanashi

(person of no identity)

未知

michi

(algebra: a variable whose value is to be found)

未知数

michisū

(algebra: a variable whose value is to be found)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.