なんnanともtomoなにnaniともtomo
1.

An expression used to indicate that there is nothing significant or concerning enough to warrant attention or worry, often in response to a negative statement.

2.

A phrase reflecting a state of being unable to articulate a feeling or situation, often due to its complexity or severity, suggesting a sense of bewilderment or astonishment.

3.

A way of conveying that something is so extreme or intense that it defies description, emphasizing the gravity or seriousness of the situation.

4.

A term that illustrates a sense of ease or lack of concern about something that could otherwise be troubling, indicating that the situation isn't worth particular notice.

Example:

何とも言いようがないなあ。