undemonstrative

Adjective

Not given to showing emotion or feelings; reserved or distant.

Japanese Meaning

感情や気持ちをあまり表に出さず、控えめな、無表情な / 自己の内面を見せず、距離を置く様子を示す

Although everyone else cheered, Marcus remained undemonstrative, nodding calmly but offering no outward enthusiasm.

周りが皆歓声を上げる中、マーカスは冷静にうなずくだけで、外に分かるような熱意を示さず感情を表に出さなかった。

Sense（1）

Not given to showing emotion or feelings; reserved or distant.

It was a godsend when an undemonstrative ewe and demonstrative lamb came in.

more undemonstrative

（ comparative ）

most undemonstrative

（ superlative ）