The most common and most likely answer to this crossword clue is the 7 letter word IDAHOAN
I
D
A
H
O
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N
More clues leading to the result IDAHOAN
- One in a state needing aid on a horse, desperately
- One man keeps a house somewhere in the US
- Some American naiad running round house
- American English lacking in proposal, zilch in shorthand?
- First person on death row ain’t, oddly, American
- I had expression of surprise over a Northern US resident
- Passport and note Chinese people took out for United States citizen
- Hanoi in ruins after the lawyer’s entry with an American resident
- Statesman takes minutes to refuse dehumanisation
- Doctor and I outside a house — in some state?
Buddy explains!
The straight part
We know that "United States citizen" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case united states citizen = idahoan.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.