first lieutenant

noun — 2 senses

first lieutenant

noun

Government, Military, Politics, War The second lowest rank of a commissioned officer in the United States Army, Air Force, or Marine Corps, ranking above a second lieutenant and below a captain. The rank of first lieutenant is equivalent to the naval rank of lieutenant junior grade.

Government, Military, Politics, War An equivalent rank in other military forces.

Synonyms: lieutenant
Coordinate terms: lieutenant senior grade

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.