Incorrect; in error.
See here what it says in the dictionary. So, you were in the wrong about the meaning of that word.
At fault, guilty.
Source: en.wiktionary.orgAdding that she kept them hidden, she told the staff member that her nan thought she had picked them up from the tea bag isle – meaning someone had put them down in the wrong place or her nan had got mixed up. Source: Internet
A handler may execute the steps of procedures such as loading, firing and emptying in the wrong order or omit steps of the procedures. Source: Internet
Allen and Rei met during the "Crisis on Infinite Earths" when Barry was coming back from the 30th century and arrived in the wrong universe. Source: Internet
“All the stars are aligned in the wrong place,” he said. Source: Internet
Another mistake I often see first-time interviewers make is asking the wrong types of questions or asking them in the wrong way. Source: Internet
A Red Funnel ferry crashed into a yacht and grounded because ‘the master became disorientated in the fog and inadvertently drove the ferry in the wrong direction.’ Source: Internet