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hyperemotional
hyperemotional adj. 
/ˌhʌɪpərᵻˈməʊʃən(ə)l/, /ˌhaɪpərəˈmoʊʃn(ə)l/ affected by or displaying an abnormal degree of emotion.
Brit. /ˌhʌɪpərᵻˈməʊʃn̩(ə)l/
, /ˌhʌɪpərᵻˈməʊʃn̩(ə)l//ˌhʌɪpərᵻˈməʊʃən(ə)l/U.S. /ˌhaɪpərəˈmoʊʃən(ə)l/
, /ˌhaɪpərəˈmoʊʃən(ə)l//ˌhaɪpərəˈmoʊʃn(ə)l/ΘΠ
the mind > emotion > aspects of emotion > manifestation of emotion > [adjective] > displaying abnormal degree of emotion
hyperemotional1946
1946 O. Fenichel Psychoanal. Theory of Neurosis xx. 478 A ‘generally frigid’ person has forgotten childhood emotions; the hyperemotional person is still a child.
1971 Jrnl. Gen. Psychol. 84 245 Loud vocalization..is a prominent characteristic of vigorous fighting among rats and has been labelled..an index of hyperemotional behavior among normally silent species.
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