Common noun

thing; matter

Common noun

incident; occurrence; event; something serious; trouble; crisis

Common noun

circumstances; situation; state of affairs

Common noun

work; business; affair

Common noun

after an inflectable word, creates a noun phrase indicating something the speaker does not feel close to

Noun, used as a suffix

nominalizing suffix

Noun, used as a suffix

pretending to ...; playing make-believe ...

Common noun; As AことB (A = alias, B = real name)

alias; also known as; otherwise known as; or

Common noun; As 〜ことはない

necessity; need

Common noun; As 〜ことだ

you should ...; I advise that you ...; it's important to ...

to breathe one's last; to pass away; to die; to expire