·noun A subaltern proposition.
II. Subaltern ·adj Asserting only a part of what is asserted in a related proposition.
III. Subaltern ·noun A person holding a subordinate position; specifically, a commissioned military officer below the rank of captain.
IV. Subaltern ·adj Ranked or ranged below; subordinate; inferior; specifically (Mil.), ranking as a junior officer; being below the rank of captain; as, a subaltern officer.