We found 4 dictionaries that define the word blot ones copybook:

General (4 matching dictionaries)

1. blot one's copybook: Merriam-Webster
2. blot one's copybook, blot one's copybook: Collins English Dictionary
3. blot one's copybook: Wiktionary
4. blot one's copybook: Dictionary.com

▸ Words similar to blot ones copybook ▸ Usage examples for blot ones copybook ▸ Idioms related to blot ones copybook ▸ Wikipedia articles (New!) ▸ Words that often appear near blot ones copybook ▸ Rhymes of blot ones copybook ▸ Invented words related to blot ones copybook