OUT IN LEFT FIELD

{adj. phr.}, {informal} Far from the right answer; wrong; astray. * /Johnny tried to answer the teacher's question but he was way out in left field./ * /Susan tried to guess what the surprise was but she was way out in left field./ 2. Speaking or acting very queerly; crazy. * /The girl next door was always queer, but after her father died, she was really out in left field and had to go to a hospital./ Compare: OUT OF ONE'S HEAD.