The most common and most likely answer to this crossword clue is the 6 letter word JUNGLE
I've seen this crossword clue in Financial Times
J
U
N
G
L
E
More clues leading to the result JUNGLE
Buddy explains!
The straight part
We know that "tropical forest" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case tropical forest = jungle.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.
What does JUNGLE mean?
JUNGLE noun- A large, undeveloped, humid forest, especially in a tropical region, that is home to many wild plants and animals; a tropical rainforest.
- Any uncultivated tract of forest or scrub habitat.
- A place where people behave ruthlessly, unconstrained by law or morality.
- An area where hobos camp together.
- A migrant camp.
- A style of electronic music related to drum and bass.
- (Israel) A desert region.
- Dense rough.
- A hairy vulva.
- (Of musical beat, rhythm, etc.) resembling the fast-paced drumming of traditional peoples of the jungle.