lose (one's) appetite(redirected from lose their appetites)
lose (one's) appetite
To no longer be hungry; to no longer have a desire or inclination to eat. Hearing the gruesome details of the murder made me lose my appetite. The news was so sobering that we all lost our appetites.
lose one's appetite
to lose one's desire to eat. After that gory movie, I'm afraid I've lost my appetite.