from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Irrational thought, expression, or behavior; irrationality.
- n. Belief in feeling, instinct, or other nonrational forces rather than reason.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. philosophical movement formed as a cultural reaction against positivism in the early 20th century
from The Century Dictionary and Cyclopedia
- n. The principles of a system of thought opposed to rationalism; irrationality; the quality of not being guided by reason.
Sorry, no etymologies found.