1. Make or do or perform again
   - reduplicate, double, repeat, replicate 
2. Duplicate or match
   - twin, parallel 
3. Make a duplicate or duplicates of
   "Could you please duplicate this letter for me?" 
4. Increase twofold
   - double

1. Something additional of the same kind
   - extra 
2. A copy that corresponds to an original exactly
   "he made a duplicate for the files"
   - duplication

1. Identically copied from an original
   "a duplicate key" 
2. Being two identical
   - matching, twin, twinned

Derived forms: duplicated, duplicates, duplicating

See also: duplication, duplicator, matched, same

Type of: agree, artefact [Brit], artifact [N. Amer], check, copy, correspond, fit, gibe, jibe, manifold, match, multiply, reproduce, tally

Encyclopedia: Duplicate

• adamantine
• adamantly
• Adams
• Adams-Stokes syndrome
• Adana
• adangle
• Adansonia
• Adansonia digitata
• Adansonia gregorii
• Adapa
• Adapid
• Adapid group
• Adapin
• adapt
• adaptability
• adaptable
• adaptation
• adaptational
• adaptative
• adapted
• adapter
• adaption
• adaptive
• adaptive radiation
• adaptor