extremely difficult: crossword clues

Matching Answer
Confidence
DIRE
60%
TRYING
60%
HARSH
60%
TREK
20%
HARD
20%
ONUS
20%
VERY
20%
ORDEAL
20%
REDHOT
20%
MESSY
20%
e.g. Greek Cheese
e.g. O?D (Use ? for unknown letters)