lieutenant commander

noun

: an officer in the navy or coast guard who has a rank just below a commander

Full Definition of LIEUTENANT COMMANDER

: a commissioned officer in the navy or coast guard ranking above a lieutenant and below a commander

See lieutenant commander defined for English-language learners

See lieutenant commander defined for kids

1839

Next Word in the Dictionary: lieutenant commissionerPrevious Word in the Dictionary: lieutenant colonelAll Words Near: lieutenant commander

What made you want to look up lieutenant commander? Please tell us where you read or heard it (including the quote, if possible).

Put-downs with flair

How to use a word that (literally) drives some people nuts.

Test your vocab with our fun, fast game

Ailurophobia, and 9 other unusual fears