Jeremiah /ˌd͡ʒɛɹəˈmaɪə/exclamation 1noun 1forms 1 exclamation1 •(UK) Expression of surprise, contempt, outrage, disgust, boredom, frustration, etc. noun1 •A person who is pessimistic about the present and foresees a calamitous future; a prophet of doom. formsJeremiahs