/solˈteɾo/
single, unmarried
Antonyms: casado
Inherited from Latin sōlitārius (“lonely”). Compare Portuguese solteiro, Catalan solter. See also the borrowed doublet solitario. Another theory, perhaps less likely, derives it from suelto, from Latin solutus (“unbound, released, free, at large”).
single (one who is not married or does not have a romantic partner); bachelor (a man who has never married), bachelorette (a woman who has never married)
Inherited from Latin sōlitārius (“lonely”). Compare Portuguese solteiro, Catalan solter. See also the borrowed doublet solitario. Another theory, perhaps less likely, derives it from suelto, from Latin solutus (“unbound, released, free, at large”).