Crossword clue
“Prove oneself fallible”
This clue appeared as 43-Across in the WSJ Crossword on Wednesday, October 21, 2026. The answer has 3 letters.
Answer · 3 lettersFirst appearance
ERRLetters3
Starts withE
Ends withR
Vowels1
Where this clue has appeared
About this clue
The clue “Prove oneself fallible” ran in the WSJ Crossword on October 21, 2026 as 43-Across. Its answer is a 3-letter word that starts with E and ends with R.
See every answer from the puzzle on the WSJ Crossword page for October 21, 2026, or learn how clues like this work in our guide to crossword clue types.
More clues from this puzzle
FAQ
What is the answer to the “Prove oneself fallible” clue?+
The answer is ERR (3 letters), from the WSJ Crossword of October 21, 2026.
Where has this clue appeared?+
We have seen it 1 time in the WSJ Crossword.
How do I find other WSJ Crossword answers?+
Open the full list of answers for October 21, 2026, or browse every date on the WSJ Crossword hub.