The most common and most likely answer to this crossword clue is the 9 letter word SNOWDROPS
I've seen this crossword clue in Independent
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More clues leading to the result SNOWDROPS
Buddy explains!
The straight part
We know that "bloomers" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case bloomers = snowdrops.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 SNOWDROPS mean?
SNOWDROPS noun- Any of the 20 species of the genus Galanthus of the Amaryllidaceae, bulbous flowering plants, bearing a solitary, pendulous, white, bell-shaped flower that appears, depending on species, between autumn and late winter or early spring, all native to temperate Eurasia.
- To steal clothing (especially women's underwear) from a clothesline.