noun, feminine/fy.mis.tə.ʁi/plural: fumisteries
heating engineering, boiler fitting, stove fitting (the practice of installing fireplaces, chimneys, etc.); a company specialised in the above; bad joke, farce; hoax; sham, quackery, smoke and mirrors (something that cannot be taken seriously)
Synonyms: supercherie
From fumiste + -erie.