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.
Summary: Chapter VII. Gulliver is disturbed by the kingâs evaluation of England. He tries to tell him about gunpowder, describing it as a great invention and offering it to the king as a gesture of friendship. The king is appalled by the proposal, and Gulliver is taken aback, thinking that the king has refused a great opportunity. He thinks that the king is unnecessarily scrupulous and narrow-minded for not being more open to the inventions of Gulliverâs world.