na-adjective, noun which may take the genitive case particle 'no', noun
Describes something that is normal, standard, or not special. Often used in negative contexts (尋常ではない) to mean 'extraordinary' or 'unusual'.
彼の努力は尋常ではなかった。
His effort was extraordinary.
This is not an ordinary thing.
The way he got angry was not normal at all.
It's a problem that can't be solved by ordinary means.
He wished to live an ordinary life.
acne vulgaris; common acne
psoriasis vulgaris; plaque psoriasis