underdo

from The Collaborative International Dictionary of English v.0.48
Underdo \Un`der*do"\, v. i.
   To do less than is requisite or proper; -- opposed to
   {overdo}. --Grew.
   [1913 Webster]
    
from The Collaborative International Dictionary of English v.0.48
Underdo \Un`der*do"\, v. t.
   To do less thoroughly than is requisite; specifically, to
   cook insufficiently; as, to underdo the meat; -- opposed to
   {overdo}.
   [1913 Webster]
    

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