The most common and most likely answer to this crossword clue is the 4 plus 4 letter word TRUE GRIT
I've seen this crossword clue in The Guardian
T
R
U
E
G
R
I
T
More clues leading to the result TRUE GRIT
- Fortitude may be needed in readiness for real snow and ice
- Film – dry, about French street, not entirely grim
- Time Rugby Union’s Tiger played with genuine resolution
- Film of tense game, with Tiger beaten at the end
- Real determination to see a movie?
- Film ‘The Thing’ has tortured girl oddly taking lead
- Film based on fact — it follows King George
Buddy explains!
The straight part
We know that "Fortitude" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case fortitude = true grit.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.