0 a way of behaving that is slightly unfriendly and too formal:
Williams has the right combination of standoffishness and warmth.
If we don't express the things that worry us our body language could look like standoffishness or coldness.
One worries if there is any criticism of the apparent standoffishness because one dare not participate in what is going on.
The anime and manga versions of the character are reasonably interchangeable, although her standoffishness is more pronounced in the anime.
No one has a more gloriously uppity charm; no voice can simultaneously so rasp and thrill; no one ever made standoffishness more come-hitherable.