The phrase "agreed either" is not correct and does not convey a clear meaning in written English.
It may be intended to express agreement in a context where two or more options are being considered, but it lacks clarity.
Example: "I think we should go with option A, but if you disagree, I am open to discussing option B, though I haven't agreed either."
Alternatives: "also agreed" or "agreed as well".
In the end, most of the diaspora journalists agreed either to use pseudonyms, or to have their stories recorded by someone else.
The two drugmakers agreed either party may terminate the deal if a change in US law would cause the combined company to be treated as a domestic corporation for federal income tax purposes.
She's part of the group of House Republicans who in September refused to fund the federal government unless the Democrats agreed either to defund or to delay implementation of the Affordable Care Act.
A European pact on wages, guaranteeing equal pay for equal work and setting out the need for decent minimum wages in all EU member states, agreed either by law or through collective bargaining and applying both to citizens and migrant workers.
Among other things, the survey found that while a large majority of respondents agreed that there were too many deer in New Jersey, fully half agreed either strongly or somewhat strongly that an animal's life was "as sacred as a human being's".
None agreed, either fearful of being judged or simply preferring to turn away from anyone from outside the local community.
Not all industry executives agree, either, although most companies favor a significant rollback of regulations.
That said, I can't agree either with the math in a Politico article titled "Immigration reform could be a bonanza for Democrats".
But I'm not sure that I agree either with Mark's choice of example or who he thinks we should be listening to.
Establish clear boundaries with each other and agree either of you can stop what is happening at any moment that person chooses for any reason that person chooses.
And for good reason: Experts cannot seem to agree either.
