As a marital status, 単身者 (たんしんしゃ, tanshinsha "single/unmarried person").
the is その (sono). its put in front of the noun.but Japanese basically don't care about single/plural, so you don't have to put it to every single noun unless you wanna emphasize the word.
You may say 'mikon no haha,' written: 未婚の母
教授 /kyou ju/ means 'professor' in Japanese used both single and as a title e.g. after a name.
how to say "editor" in japanese
To say old Japanese illustrations in Japanese, you say "Mukashi no Nihon no irasuto".
we say Nakagawa if we want to say inside in Japanese.
あなたはまだシングル Anata WA mada shinguru
メロン is how you say melon in Japanese.
To say tennis in Japanese.........テニス
フライドポテト is how you say it in japanese'
Terekineshisu is the word for telekinesis in the Japanese language.
To say blue fish in Japanese you say ブルーフィッシュ.