Synonyms and Antonyms for 1st-lieutenant

1. 1st lieutenant (n.)

a commissioned officer in the Army or Air Force or Marines ranking above a 2nd lieutenant and below a captain

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2. 1st-class mail (n.)

mail that includes letters and postcards and packages sealed against inspection

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4. lieutenant (n.)

an officer in a police force

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5. lieutenant (n.)

an assistant with power to act when his superior is absent

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6. lieutenant (n.)

an officer holding a commissioned rank in the United States Navy or the United States Coast Guard; below lieutenant commander and above lieutenant junior grade

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7. 1st (adj.)

indicating the beginning unit in a series

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