FSO
About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.


FSO

abbreviation

Definition of FSO

Foreign Service Officer

Browse

Next Word in the Dictionary: fspc
Previous Word in the Dictionary: FSLIC
All Words Near: FSO

Seen & Heard

What made you want to look up FSO? Please tell us where you read or heard it (including the quote, if possible).

Name That Thing

Take Our 10-Question Quiz

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More