un ‧ e ‧ mo ‧ tion ‧ al /ˌʌnɪˈməʊʃ ə nəl◂ $ -ˈmoʊ-/ BrE AmE adjective
[ Word Family: noun : ↑ emotion , ↑ emotionalism ; adverb : ↑ emotionally , ↑ emotively ; adjective : ↑ emotional ≠ ↑ unemotional , ↑ emotive ; verb : ↑ emote ]
not showing your feelings:
His voice was unemotional.
Zoe is normally an unemotional person.