The most common and most likely answer to this crossword clue is the 6 plus 4 letter word BOILER SUIT
I've seen this crossword clue in Independent
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More clues leading to the result BOILER SUIT
- Sturdy onesie? Trouble is, sadly, I must be squeezed into it
- Workwear required by tough old chicken hearts?
- One in trouble is ordered to get garment for work
- Overall troubles I doubly reviewed
- Protective clothing piece — grease sure somehow to penetrate it
- One’s in trouble, is modelling onesie at work
- Worker’s outside clothes
Buddy explains!
The straight part
We know that "Sturdy onesie?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case sturdy onesie? = boiler suit.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.