Usually means: One who deceives or tricks.
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We found 14 dictionaries that define the word duper:

General (12 matching dictionaries)
  1. duper: Merriam-Webster
  2. duper: Oxford Learner's Dictionaries
  3. duper: Collins English Dictionary
  4. Duper, duper: Wordnik
  5. duper: Wiktionary
  6. Duper, duper: Dictionary.com
  7. Duper: Wikipedia, the Free Encyclopedia
  8. Duper: Online Plain Text English Dictionary
  9. duper: Webster's Revised Unabridged, 1913 Edition
  10. Duper: AllWords.com Multi-Lingual Dictionary
  11. duper: FreeDictionary.org
  12. Duper: TheFreeDictionary.com

Business (1 matching dictionary)
  1. duper: Legal dictionary

Slang (1 matching dictionary)
  1. duper: Urban Dictionary

(Note: See dupe as well.)

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Definitions from Wiktionary (duper)

▸ noun:  a person who dupes another

Similar:
gull, fool, stooge, cousin, duffer, bubble, derp, cull, doper, cully, more...

Opposite:
dupee, victim, mark

Types:
super, ultra, mega, hyper, more...

Phrases:
super duper, Super Duper Sumos, more...



▸ Words similar to duper

▸ Usage examples for duper

▸ Idioms related to duper

▸ Wikipedia articles (New!)

▸ Popular adjectives describing duper

▸ Words that often appear near duper

▸ Rhymes of duper

▸ Invented words related to duper

Similar:
gull, fool, stooge, cousin, duffer, bubble, derp, cull, doper, cully, more...

Opposite:
dupee, victim, mark

Types:
super, ultra, mega, hyper, more...

Phrases:
super duper, Super Duper Sumos, more...



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