The senior grade of lieutenant is known as first lieutenant in the United States, and as lieutenant in the United Kingdom and the rest of the English-speaking world.

In English, lieutenant is best known as a military title, but the word is still sometimes used in its original meaning to refer to a person who acts in lieu of someone else.

LIEUTENANT definition: 1. (the title of) an officer of middle rank in the armed forces: 2. (the title of) an officer of…. Learn more.

Lieutenant, company grade officer, the lowest rank of commissioned officer in most armies of the world. The lieutenant normally commands a small tactical unit such as a platoon. In the British …

Definition of lieutenant noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

5 days ago · lieutenant (plural lieutenants) (military) The lowest junior commissioned officer rank (s) in many military forces, often Army and Marines. (military, US) In the US Army, Air Force …

If you refer to someone as a person's lieutenant, you mean they are that person's assistant, especially their main assistant, in an organization or activity. He was my right-hand man, my …

lieutenant noun A person who holds a position auxiliary to another and assumes some of the superior's responsibilities:

Lieutenant definition: first lieutenant.. See examples of LIEUTENANT used in a sentence.

LIEUTENANT meaning: 1 : an officer in the army, navy, or air force with a fairly low rank abbreviation Lt.; 2 : an officer in a fire or police department who has a rank below a captain