undemonstrativeness

Noun

uncountable

The state or quality of being undemonstrative.

Japanese Meaning

感情をあまり表に出さず、控えめである状態や性質

Her undemonstrativeness often made colleagues mistake her calm for indifference, but she cared deeply.

彼女の控えめさは同僚に冷淡だと誤解されることが多かったが、彼女は深く気にかけていた。

Sense（1）

The state or quality of being undemonstrative.