13-Letter Words Containing: R,Y,O,U

• a group of viruses including those causing mumps and measles

• attempting to justify or defend in speech or writing

• providing justification

• brain surgery on human patients intended to relieve severe and otherwise intractable mental or behavioral problems

• an abnormal condition in which cerebrospinal fluid collects in the ventricles of the brain; in infants it can cause abnormally rapid growth of the head and bulging fontanelles and a small face; in adults the symptoms are primarily neurological

• in a manner involving or inclined to conjecture and supposition

• Any qualified majority, specified in advance of a vote, required for the vote to be passed