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1. Having poor vision; nearly or partly blind.
2. Slow in understanding or discernment; dull: "a purblind oligarchy that flatly refused to see that history was condemning it to the dustbin" (Jasper Griffin).
3. Obsolete Completely blind.
[Middle English pur blind, totally blind, nearsighted : pur, pure; see pure + blind, blind; see blind.]
the state of being purblind