Definition of "half-blind" []

• Noting holes in plates (which are to be riveted together) which do not coincide or match, those of one plate being partly covered by the other plate.

The Century Dictionary (Public Domain)

• "If you rely just on data from land, you're half-blind."
• "I might be half-blind, but I can tell a good soul when I see one."
• "Brown warned the world that they have '50 days to save my career', and said that he faces a catastrophic future of tragic opinion polls, election defeats and global ignominy if world leaders don't come up with ways of convincing the world he isn't a bumbling, half-blind, gibbering loon with a grasp on reality that is tenuous at best."