(bound form) blurred; indistinct or unclear; used in 恍惚 huǎng​hū

(bound form) seemingly or as if; used in 恍如 huǎng​rú and 恍若 huǎng​ruò

(bound form) suddenly or all of a sudden, as in reaching a quick realization; used in 恍然大悟 huǎng​rán​dà​wù