This is the 4512th most frequent Japanese word.
尋常
"尋常" means "ordinary" or "normal" in English.
The word '尋常' is used to imply normalcy or ordinary state.
彼の行動は尋常ではない。
His behavior is not normal.
Here, '尋常' conveys the sense of ordinary or common regarding methods used for problem-solving.
尋常な方法では解決できない問題だ。
This problem cannot be solved through ordinary methods.
In this usage, '尋常' refers to efforts that are moderate and lacking extremity.