noun, plural Has·sid·im [hah-sid-im, huh-; Ashkenazic Hebrew khaw-see-dim; Sephardic Hebrew khah-see-deem] /hɑˈsɪd ɪm, hə-; Ashkenazic Hebrew xɔˈsi dɪm; Sephardic Hebrew xɑ siˈdim/. Judaism. Hasid. nounvariant spellings of Chassid