Word parts delirium + -ous Pronunciation (UK) IPA (key): /dɪˈlɪrɪ.əs/ or /dɪˈlɪərɪ.əs/ Audio (UK)(file) Adjective Positive delirious Comparative more delirious Superlative most delirious (symptom) If a person is delirious, they are in the state of delirium.Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads