abierto

adjective

1. open, unlocked (not closed, accessible)
2. open (actively conducting business)
3. open, open-minded (receptive)
4. open, overt, outspoken, candid (not subtle in character)
5. open-ended (i.e. unrestricted)
6. open (uttered with a wide opening of articulators)

noun, masculine

1. open (event in which anyone can compete)