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Webster 1913 Edition
Dupe
Dupe
,Verb.
 T.
 [
imp. & p. p. 
Duped 
(dūpt)
; p. pr. & vb. n. 
Duping
.] To deceive; to trick; to mislead by imposing on one’s credulity; to gull; 
as, 
. dupe 
one by flatteryNe'er have I 
duped 
him with base counterfeits.  Coleridge.
Webster 1828 Edition
Dupe
DUPE
,Noun.
 DUPE
,Verb.
T.