Meanings of resist categorisation in English

What she says is telling; Raw is about someone who resists categorisation.

In all that time, he resisted categorisation into any of the party's many strands of opinion and faction.

The result, stubbornly resisting categorisation, combines the formality of chamber music with folk elements and jazz improvisation to produce something uniquely beautiful.

Critics improve not through general diagnosis, but when confronted by theatre that challenges and inspires, elusive theatre that resists categorisation and defies definition.