From Longman Dictionary of Contemporary Englishcould go either waycould go either wayif a situation could go either way, both possible results are equally likely The latest opinion poll suggests the vote could go either way. → either
Examples from the Corpus
could go either way• M., still could go either way.• The latest opinion poll suggests the vote could go either way.• It could go either way, as we have seen in previous months of March. 