Df is likely misspelled.
Df has no English definition.
As an initialism SDF is
self Defense Force.
df
English
===(
en)===
(
en proper noun)
Distrito Federal, a state of Brazil.
Anagrams
*
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sdf
English
Initialism
(
Initialism)
(
en noun)
(military, Japan) Self Defense]] [[force, Force
Derived terms
* (Japanese military) JSDF , MSDF , ASDF , GSDF , JMSDF , JASDF , JGSDF
Anagrams
*
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