The most common and most likely answer to this crossword clue is the 11 letter word HARD-BOILED
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More clues leading to the result HARD-BOILED
Buddy explains!
The straight part
We know that "Tough" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case tough = hard-boiled.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 HARD-BOILED mean?
HARD-BOILED verb- To cook (an egg) to a solid consistency: to cause to be hard-boiled.
- (of a boiled egg) Cooked to a solid consistency.
- (of a person, especially of a detective) Callous and unsentimental.
- Written in a laconic, dispassionate, often ironic style for a realistic, unsentimental effect (characterizes hard-boiled fiction, a subgenre of detective fiction)