The source doesn t use the term misgendered so that characterization may not be appropriate When talking about the concept using the term is okay but to use it as a verb in writing should be avoided per MOS NEO especially when the sources don t use the term A neologism is the name for a newly coined term word or phrase that may be in the process of entering common use but that has not yet been accepted into mainstream language It isn t in a lot of dictionaries at least that I ve been able to look at