Crossword Genius

Wrong, or sure one is wrong (9)

Ross

I believe the answer is:

erroneous

'is wrong' is the definition.
(similar in meaning)

'wrong or sure one' is the wordplay.
'wrong' is an anagram indicator.
'or'+'sure'+'one'='orsureone'
'orsureone' with letters rearranged gives 'ERRONEOUS'.

(Other definitions for erroneous that I've seen before include "Mistaken, in error" , "not right" , "Mistaken - inaccurate" , "Incorrect, wrong" , "with mistakes" .)

I've seen this clue in The Telegraph.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.