anglophobic
/ˈæŋɡləˈfɒbɪk/Definitions
1. noun
Having a strong aversion to the British or things British, such as their culture, customs, or institutions.
“The British expatriate community was shocked by the man’s anglophobic rants about the monarchy.”
2. adjective
Relating to or characterized by an intense dislike for the British or things British.
“The writer’s anglophobic novel sparked controversy among book reviewers.”