Meanings
Origin
Meaning "with an error of 180 degrees", i.e., a heading in the exact opposite direction from the correct one.
Full word history & related roots →Cite this entry
one eighty out. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/one%20eighty%20out
“one eighty out.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/one%20eighty%20out. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “one eighty out,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/one%20eighty%20out.
Source: one eighty out on Wiktionary, CC BY-SA 4.0.