The most common and most likely answer to this crossword clue is the 10 letter word SHANGRI-LA
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More clues leading to the result SHANGRI-LA
- Hangs out with dreadful liar in imaginary paradise
- Has funny new girl changed a blissful situation?
- Mum with annoyance missing year attending a mystical retreat
- Paradise has madly, endlessly furiously, come before angel’s head
- Mum, in a temper, cut down article from Himalayan valley
- Creation of Hilton hotel, drizzled with fruity Spanish wine, containing hint of limoncello
- Dicky has new girl around — a perfect situation
- Liar hangs out in idyllic location
- Garnish whipped up by the French in earthly paradise
- I lash out with suppressed fury, directionless in heaven
Buddy explains!

The straight part
We know that "Paradise" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case paradise = shangri-la.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.