Someone who is delirious is unable to think or speak in a sensible and reasonable way, usually because they are very ill and have a fever. I was delirious and blacked out several times
marked by uncontrolled excitement or emotion; "a crowd of delirious baseball fans"; "something frantic in their gaiety"; "a mad whirl of pleasure" experiencing delirium
Someone who is delirious is extremely excited and happy. I was delirious with joy. = ecstatic + deliriously de·liri·ous·ly Dora returned from her honeymoon deliriously happy