Delirious \De*lir"i*ous\, a. [From {Delirium}.] Having a delirium; wandering in mind; light-headed; insane; raving; wild; as, a delirious patient; delirious fancies. -- {De*lir"i*ous*ly}, adv. -- {De*lir"i*ous*ness}, n. [1913 Webster]