For those who enjoy knowing the derivations of words - the term 'cis' is Latin for 'on this side of something' - the opposite of 'trans' (on the far side of something) and is used, for example, to describe Cisalpine Gaul (Gaul on the near side of the Alps) and Transalpine Gaul (Gaul on the far side of the Alps), Transylvania is land on the other side of the forest, etc.
I agree with Rocknroll5me on all counts; which is why I have such serious reservations about children and young people being 'allowed' to transition, despite the fact that I generally hold very liberal (small 'l') values, and why I object to men self defining as female and being allowed in women's spaces on demand.
On here (and it would be the same elsewhere, except that it is not a topic that comes up for me very often offline), this is assumed to mean that I (or others holding similar views) am right wing, bigoted and transphobic, which is entirely untrue, and shows the prejudice of the trans lobby.
I have, however, seen friends of mine being hassled because they object more vocally, and find it quite scary that the views of a relatively small number of people are being forced into the mainstream, with cries of 'TERF' being used against anyone who doesn't share them.
All objections are rolled into one facile term, which takes no account of the nuances of people's opinions, which are not necessarily shared by all who have misgivings about parts of the trans agenda.