Caught up in the romance of noble deeds and the pursuit of unreachable goals; idealistic without regard to practicality.
Capricious; impulsive: "At worst his scruples must have been quixotic, not malicious” ( Louis Auchincloss).
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.