Singular

単一

tan'itsu

(being the only one of a kind)

単数の

tansū no

(grammar: referring to only one thing)

単称

tanshō

(linear algebra: of matrix: having no inverse)

唯一

yuiitsu

(being only one of larger population)

奇妙

kimyō

(being out of the ordinary)

希有

keu

(distinguished by superiority)

希有

keu

(being out of the ordinary)

無二

muni

(being only one of larger population)

非凡

hibon

(distinguished by superiority)

非凡

hibon

(being out of the ordinary)

風変わり

fūgawari

(being out of the ordinary)

単数

tansū

(grammar: form of a word that refers to only one thing)

単数形

tansū-kei

(grammar: form of a word that refers to only one thing)