These are the meanings of the letters NBLAK when you unscramble them.
            
                
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                    Blank (a.)
                    
                        Absolute; downright; unmixed; as, blank terror.
                    
                 
                
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                    Blank (a.)
                    
                        Empty; void; without result; fruitless; as, a blank space; a   blank day.
                    
                 
                
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                    Blank (a.)
                    
                        Free from writing, printing, or marks; having an empty space   to be filled in with some special writing; -- said of checks, official   documents, etc.; as, blank paper; a blank check; a blank ballot.
                    
                 
                
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                    Blank (a.)
                    
                        Lacking animation and intelligence, or their associated   characteristics, as expression of face, look, etc.; expressionless;   vacant.
                    
                 
                
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                    Blank (a.)
                    
                        Lacking characteristics which give variety; as, a blank   desert; a blank wall; destitute of interests, affections, hopes, etc.;   as, to live a blank existence; destitute of sensations; as, blank   unconsciousness.
                    
                 
                
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                    Blank (a.)
                    
                        Of a white or pale color; without color.
                    
                 
                
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                    Blank (a.)
                    
                        Utterly confounded or discomfited.
                    
                 
                
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                    Blank (n.)
                    
                        A kind of base silver money, first coined in England by   Henry V., and worth about 8 pence; also, a French coin of the   seventeenth century, worth about 4 pence.
                    
                 
                
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                    Blank (n.)
                    
                        A lot by which nothing is gained; a ticket in a lottery on   which no prize is indicated.
                    
                 
                
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                    Blank (n.)
                    
                        A paper containing the substance of a legal instrument, as a   deed, release, writ, or execution, with spaces left to be filled with   names, date, descriptions, etc.
                    
                 
                
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                    Blank (n.)
                    
                        A paper unwritten; a paper without marks or characters a   blank ballot; -- especially, a paper on which are to be inserted   designated items of information, for which spaces are left vacant; a   bland form.
                    
                 
                
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                    Blank (n.)
                    
                        A piece of metal prepared to be made into something by a   further operation, as a coin, screw, nuts.
                    
                 
                
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                    Blank (n.)
                    
                        A piece or division of a piece, without spots; as, the   \"double blank\"; the \"six blank.\"
                    
                 
                
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                    Blank (n.)
                    
                        Aim; shot; range.
                    
                 
                
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                    Blank (n.)
                    
                        Any void space; a void space on paper, or in any written   instrument; an interval void of consciousness, action, result, etc; a   void.
                    
                 
                
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                    Blank (n.)
                    
                        The point aimed at in a target, marked with a white spot;   hence, the object to which anything is directed.
                    
                 
                
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                    Blank (v. t.)
                    
                        To blanch; to make blank; to damp the spirits of; to   dispirit or confuse.
                    
                 
                
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                    Blank (v. t.)
                    
                        To make void; to annul.