Subject to accident or chance or change. Synonyms:chancy, flukey, iffy."Getting that job was definitely fluky" , "A fluky wind" , "An iffy proposition"
... to heaven," cried I, "I'd thought even twice! Plunge after plunge. First one fluky start and then another. It was my confidence in you! Why didn't I stick to my play? That was what I was equal to. That was my world and the life I was made for. I could have finished that play. I'm certain ... it ... — The First Men In The Moon • H. G. Wells