fly blind


Also found in: Dictionary, Thesaurus.

fly blind

to try to do something new without any help or instructions (usually in continuous tenses) We've never dealt with Eastern Europe before, so we're flying blind.
See also: blind, fly

fly blind

Feel one's way, proceed by guesswork, as in There are no directions for assembling this furniture, so I'm flying blind. This hyperbolic expression dates from World War II, when it was used by pilots who could not see the horizon and therefore had to rely on instruments. It was transferred to broader use soon afterward.
See also: blind, fly