Likely the same as the generally accepted dictionary definition. See also the Acceptable Use chapter in our terms, that says:
Prohibited actions include but are not limited to:
...
Posting content that promotes or participates in racial intolerance, sexism, hate crimes, hate speech, or intolerance to any group of individuals;
Edit: note the words "racial intolerance, sexism, ... or intolerance to any group". Your answer is right there.
Why, do you plan to post something that could go against common sense and decency?