"Passive voice" is a way of writing or speaking that focuses on the object or receiver of an action rather than the subject or doer. It is often used when the subject is not important or unknown. Full definition
When the subject of a sentence receives the action of a verb, the verb is in passive voice. (feedspot.com)
While this approach to sentence construction appears simple and obvious, aspiring authors have a tendency to fall into the habit of using passive voice in their fiction writing. (kevintjohns.com)
Once you have identified the uses of passive voice in your CV, you need to replace the phrases using action words. (cv-library.co.uk)