Untrained (adjective)

Not having received instruction or education in a specific skill or activity.

Origin:

The word "untrained" comes from the combination of the prefix "un-" meaning not, and the word "trained" which means having received instruction or education in a specific skill or activity. together it means not having received instruction or education in a specific skill or activity.

Examples:

1. The company's new employees were untrained and needed a lot of guidance.
2. He was untrained in the field and had a hard time adapting to the job.
3. She was untrained in the language and had difficulty communicating.
4. The new team members were untrained and had to be taught the basics.
5. He was untrained in the art of negotiation and was not successful in the meeting.