Meanings
- participlepastsimple past and past participle of blot one's copybook
Cite this entry
blotted one's copybook. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/blotted%20one's%20copybook
“blotted one's copybook.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/blotted%20one's%20copybook. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “blotted one's copybook,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/blotted%20one's%20copybook.
Source: blotted one's copybook on Wiktionary, CC BY-SA 4.0.