That's not true is it?
A dictionary definies a definition. If a definition is expanded to mean the opposite as only males can 'identify as women' then it actually means that the word and its opposite cease to be specific meanings and the word is basically redundant.
If female can also mean male, and woman can also mean man then what is the word/s that specifically define the half of the humans that are born with the biological ability to create large gametes, and what is the word/words that specifically define the half of humans that are born with the biological ability to create small gametes?
If we cannot say that certain children will grow up to be 'men' and another set of children will grow up to be 'women', then how do we explain which ones need for example, cervical smears? Or who will start to bleed from their genitals?
If a child tells a teacher they are bleeding from their genitals, will the teacher be sending them to the ER or to the medical room for sanitary protection?
If words don't mean things what's the point of a dictionary in the first place? Why even have words?
The whole point of communication is that we all understand what we mean when we say words. Women means adult human female. Not adult human male who lies.