What does the cryptic crossword clue "Hopes dashed with foul, inferior accommodation (9)" mean?

The wordplay uses an anagram. anagram of HOPES (synonym="HOPES") + FOUL (synonym="FOUL") = FLOPHOUSE The answer is FLOPHOUSE.

Hopes dashed with foul, inferior accommodation (9)

Guardian Cryptic #29198 | 1 Across | 2023-10-11 flower