emotion UK /ɪˈməʊ.ʃən/US /ɪˈmoʊ.ʃən/ noun3 •a feeling that rises in someone because of what happens to them, such as joy, anger or fear •A reaction by a non-human organism with behavioral and physiological elements similar to a person's response. •(no longer used) Movement; agitation.and the water continuing in the caverns[…]caused the emotion or earthquake — 1758 formsemotions