1700-1800 Don Quixote, main character of the book Don Quixote de la Mancha (1605) by Spanish writer Cervantes
Examples
EXAMPLES FROM OTHER DICTIONARIES
He began a quixotic search for the mother who abandoned him.
EXAMPLES FROM THE CORPUS
But the most startling fact revealed in the survey even had an element of quixotic honour attached to it.
Maureen and Christine understood that theirs was a quixotic task.
My superior self was on a quixotic errand!
Particularly quixotic is their concept of the sources of illegitimacy.
So here, thought Dalgliesh, lay the secret of Berowne's quixotic decision to give up his job.
This ended in a quixotic campaign for statehood.
Wild eclecticism has been the hallmark of Boyd's 30-year career as record producer, failed film mogul and quixotic entrepreneur.
quixotic ideas or plans are not practical and are based on unreasonable hopes of improving the world: This is a vast, exciting, and perhaps quixotic project.