Lieutenant
Part of speech: adjective
Definition: A military grade that is junior to the grade the adjective modifies: lieutenant colonel, lieutenant general, lieutenant commander.
Part of speech: noun
Definition: The lowest commissioned officer rank or ranks in many military forces. 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. 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. 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. A naval officer in the Royal Navy who holds the rank above sub-lieutenant and below lieutenant commander. A naval officer who holds the rank above sub-lieutenant and below lieutenant commander. A person who executes the plans and directives of another.
Example sentence: All was well, until I reached the port of Havre. Three officers with the rank of lieutenant, whom afterwards I knew to be Scotland Yard men, came aboard and demanded to see my papers which they took away from me.
Deputy
Part of speech: noun
Definition: One appointed as the substitute of another, and empowered to act for him, in his name or his behalf; a substitute in office; a lieutenant; a representative; a delegate; a vicegerent; as, the deputy of a prince, of a sheriff, of a township, etc.(in France): A member of the Chamber of Deputies, formerly called Corps Législatif(Ireland) a member of Dáil Éireann, or the title of a member of Dáil Éireann. (Normally capitalised in both cases)
Example sentence: Well, I feel that everybody in the country knows me. I think people know who I am, and that I'm deputy leader of the Labour party, and that I'm out there talking about their big choice for the future.