1 (uncountable) The property of being mentally ill; mental disorders taken as a whole.  2006, R. Keith Sawyer, Explaining Creativity: The Science of Human Innovation, Oxford University Press US, ISBN 9780195161649, page 87:
Essay on Gulliver's change throughout Gulliver's Travels - Gulliverâs change throughout Gulliverâs Travels Throughput the book âGulliverâs Travelsâ by Jonathan Swift, the character Gulliver changes many times. During and after part two and four of the book a noticeable change in Gulliver starts to occur.
Mephistopheles is a striking central character in the play âDoctor Faustusâ, written by Christopher Marlowe in the late sixteenth century. His role in this tragic play is ultimately to aid Faustusâ downfall from a renowned scholar to foolhardy prey of Lucifer.