Length ranks your synonyms based on character count.
Informal words should be reserved for casual, colloquial communication.
More words related to irrationality
noun. ridiculous situation or behavior
noun. impulse, urge
noun. nonsense, ridiculous idea
noun. idiocy, nonsense
noun. mental illness; foolishness
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.Cite This Source