contrary to something
A deal to swap goods or services.
A conservative; originally tied to Nicaraguan counter-revolutionaries.
An entry (or account) that cancels another entry (or account).
Any of the musical instruments in the contrabass range, e.g. contrabassoon, contrabass clarinet or, especially, double bass.
A contra dance.
against; contrary or opposed to; in opposition or contrast to
To undo; to reverse.