Word.ws English Dictionary

1LT

1LT is the abbreviation of first lieutenant.

Meaning of first lieutenant

Noun

first lieutenant (plural first lieutenants)

  1. 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.
    Synonyms:
    lieutenant
  2. An equivalent rank in other military forces.

Forms of 1LT

plural1LTs

Questions about 1LT

What is 1LT the abbreviation of?
1LT is the abbreviation of first lieutenant.

Words near 1LT in the dictionary

  1. 1H6
  2. 1L
  3. 1LC
  4. 1LCs
  5. 1Ls
  6. 1LT
  7. 1LTs
  8. 1MM
  9. 1MMS
  10. 1MR
  11. 1NCP

Source and license

Adapted from Wiktionary: 1LT (page history and authors); first lieutenant (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “1LT.” Word.ws, https://word.ws/1lt. Based on Wiktionary, CC BY-SA 4.0.