What's the adjective for franglais? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs french, French and Frenchify which may be used as adjectives within certain contexts.
“Tell me, who bas frenchified thee, and how dost thou dare to return to Spain, where if they catch thee and recognise thee it will go hard enough with thee?”
“It was Frenchified in the 19th and 20th centuries, and now a majority of the city's inhabitants speak French.”
“The little Frenchified figure turned gracefully and took down another dozen cases of revolvers from the shelf.”