What is another word for sublieutenant?
Pronunciation: [sˈʌblɪftənənt] (IPA) 
Sublieutenant is a military rank used in various countries. It is also known as slt or sub-lieutenant in some places. However, in the British Royal Navy, it's called an acting sublieutenant. Other synonyms for the word sublieutenant include subaltern, second lieutenant, and ensign. In the United States Navy, the equivalent rank is Ensign. The word sublieutenant is derived from the French word "sous-lieutenant." In the French army, it is still used as a rank. In some countries, the sublieutenant is considered an intermediate rank between the officer and the non-commissioned officer. This rank can vary according to the country and the service.
