The most common and most likely answer to this crossword clue is the 7 letter word MENACES
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The straight part
We know that "Dangers" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case dangers = menaces.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 MENACES mean?
MENACES noun- A perceived threat or danger.
- The act of threatening.
- An annoying and bothersome person or thing.
- To make threats against (someone); to intimidate.
- To threaten (an evil to be inflicted).
- To endanger (someone or something); to imperil or jeopardize.