- The definition of a lieutenant is a deputy, aide or official ranking under a captain.
An example of a lieutenant is a deputy sheriff.
The badge of a lieutenant deputy sheriff.
- a person who acts for a superior, as during the latter's absence; aide; deputy
- an officer ranking below a captain as in a police or fire department
- U.S. Mil. a title used in addressing a first lieutenant or second lieutenant
- U.S. Navy an officer ranking above a lieutenant junior grade and below a lieutenant commander
Origin of lieutenantMiddle English lutenand, luftenand ; from Middle French ; from lieu (see lieu) + tenant, holding, present participle of tenir, to hold ; from Classical Latin tenere, to hold: see thin
- a. A commissioned rank in the US Navy or Coast Guard that is above lieutenant junior grade and below lieutenant commander.b. A first lieutenant.c. A second lieutenant.d. One who holds the rank of lieutenant, first lieutenant, or second lieutenant.
- A commissioned officer in the British and Canadian navies ranking just below a lieutenant commander.
- An officer in a police or fire department ranking below a captain.
- One who acts in place of or represents a superior; an assistant or deputy: the organized crime figure and his lieutenants.
Origin of lieutenantMiddle English, deputy, from Old French : lieu, place; see lieu + tenant, present participle of tenir, to hold (from Latin tenēre; see ten- in Indo-European roots).
- (military) The lowest commissioned officer rank or ranks in many military forces.
- (military, US) In the US Army, Air Force and Marines, second lieutenant is the rank below first lieutenant, which is below captain. Both ranks may be referred to as Lieutenant or as the complete forms of the ranks.
- (military, US, navy) 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.
- (military, 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.
- (military, UK) A naval officer in the Royal Navy who holds the rank above sub-lieutenant and below lieutenant commander.
- (military, Canada, Australia, New Zealand) A naval officer who holds the rank above sub-lieutenant and below lieutenant commander.
- A person who executes the plans and directives of another.
When used as a title, it is always capitalized.
- Example: Lieutenant Anne Ward.
The rank of lieutenant corresponds to pay grade O-3 in the US Navy, Coast Guard, Public Health Service, and National Atmospheric and Oceanic Administration.