noun
delirious talk; nonsense; ravings
Refers to incoherent speech, especially from fever, delirium, or mental confusion. Literary and somewhat old-fashioned; in everyday language, うわごと is more common.
高熱でげいごを発する患者をなだめた。
I soothed the patient who was uttering delirious talk from a high fever.
彼の話はまるでげいごのようで、何を言っているのかわからなかった。
His story was like nonsense; I couldn't understand what he was saying.