lieutenant

Government, Military, Politics, War US In the US Army, Air Force and Marines, holding the rank above second lieutenant and below captain. Both ranks may be referred to as "lieutenant" or as the complete forms of the ranks.

Government, Military, Navy, Politics, War US A naval officer whose rank is above that of ensign in the United States Navy and below that of a lieutenant commander. There are two ranks of lieutenant: lieutenant junior grade and lieutenant.

Government, Military, Politics, War US A commissioned officer in the United States Coast Guard, Public Health Service, or National Atmospheric and Oceanic Administration whose rank is above that of ensign and below lieutenant commander. There are two ranks of lieutenant: lieutenant junior grade and lieutenant.

Government, Military, Politics, War UK A commissioned officer in the British Army and Royal Marines, holding the rank above second lieutenant and below captain. Both ranks may be referred to as "lieutenant"; however, "second lieutenant" is to specify that the officer is not yet a full lieutenant.

Government, Military, Politics, War UK A naval officer whose rank is above that of sub-lieutenant in the Royal Navy and below that of a lieutenant commander.

Government, Military, Politics, War Australia, Canada, New Zealand A naval commissioned officer who holds the rank above sub-lieutenant and below lieutenant commander.