Sub-lieutenant

Origin

- + lieutenant

Full definition of sub-lieutenant

Noun

1. (military, navy) A commissioned officer of the navy whose rank is immediately below that of a lieutenant.
1. (UK) A commissioned officer of the Royal Navy ranking above a midshipman and below a lieutenant.
2. (Australia, Canada, New Zealand) A commissioned officer of the navy ranking above an acting sub-lieutenant and below a lieutenant.

Related terms

• sublieutenancy

Derived terms

• acting sub-lieutenant