OSS

or O.S.S.

See synonyms for OSS on Thesaurus.com
  1. Office of Strategic Services: a U.S. government intelligence agency during World War II.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use OSS in a sentence

  • "Is it p-o-s-s-i-b-l-e-," said the Governor, affecting astonishment.

    Pen Pictures | B. F. Craig