Helping after fluorine oxidation leads to annoyance (11)
THE ANSWER
1F2R3U4S5T6R7A8T9I10O11N
FRUSTRATION is the 11-letter answer to “Helping after fluorine oxidation leads to annoyance (11)”, last seen in The Sun Cryptic Crossword on 22 November 2025.
Where this clue appeared
The Sun Cryptic Crossword22 NOV 2025Related clues
One other clue in the database also answers FRUSTRATION.
Emotion caused by plans being thwarted (11)FRUSTRATION