barmy

As an adjective barmy

is (rare) containing barm, ie froth from fermented yeast or barmy can be (chiefly|british) odd, strange.

As a noun bardy is

.

As a noun army

is a large, highly organized military force, concerned mainly with ground (rather than air or naval) operations.

As a proper noun Army

is a sports team representing the US Military Academy at West Point.

As an adjective barmy is

containing barm, i.e. froth from fermented yeast.