I couldn't agree more.
I couldn't agree less.
Does the two sentences mean the same or just the opposite?
I couldn't agree less.
Does the two sentences mean the same or just the opposite?
Does the two sentences mean the same?
They are opposites. "I couldn't agree more" means that you agree as much as possible - that is, you agree totally. "I couldn't agree less" means that you agree as little as possible - that is, you don't agree at all.
By the way, your title should be, "Do these two sentences mean the same thing?" "Does" is the third person singular, and "do" is used for the plural.
By the way, your title should be, "Do these two sentences mean the same thing?" "Does" is the third person singular, and "do" is used for the plural.