What does the cryptic crossword clue "Male in a loch in a mess gets feeling of sadness (11)" mean?

The wordplay uses an anagram. anagram of MALE + IN + A + LOCH = MELANCHOLIA The answer is MELANCHOLIA.

Male in a loch in a mess gets feeling of sadness (11)

Daily Mail Cryptic #17420 | 12 Across | 2024-08-09 flower