What is "asdf"

init. (context military Japan English) air self-defense force — the Japanese air force n. (alternative spelling of asdf English)

ASDF are the first letters of the home row on a QWERTY Keyboard.

ASDF or asdf may refer to:

• Alabama State Defense Force, a military entity
• Alaska State Defense Force, a military entity
• Air Self-Defense Force, a branch of the Japan Self-Defense Forces
• Another System Definition Facility, a build system for Common Lisp
• Association of Synchronous Data Formats, an organization that advances the use of synchronous data transmission technology
• Average Squared Difference Function, a mapping used in pitch detection algorithms