What is another word for nonprofessional?

There are many words that could be used instead of "nonprofessional," depending on the specific context and nuance you want to convey. Here are some options, ranging from neutral to more negative:

Neutral:

* Amateur

* Layperson

* Unqualified

* Unskilled

* Novice

* Beginner

* Non-expert

* Non-specialist

* Volunteer

* Informal

* Casual

More Negative:

* Incompetent

* Unprofessional

* Inept

* Unskilled

* Untrained

* Amateurish

* Second-rate

* Substandard

* Unsatisfactory

Other Options:

* Non-practitioner

* Non-specialist

* Non-expert

* Layman

* Non-technical

It's important to choose the word that best fits the context and your intended meaning. For example, if you're talking about someone who is not a professional in a specific field, "amateur" or "non-expert" might be appropriate. If you're talking about someone who is lacking in skills or knowledge, "incompetent" or "untrained" might be more suitable.