| noun | someone who pursues a study or sport as a pastime |
| noun | an athlete who does not play for pay |
| adjective | engaged in as a pastime “an amateur painter” |
| adjective | lacking professional skill or expertise “a very amateurish job” |
| amateur | adjective | engaged in as a pastime |
| amateur | noun | an athlete who does not play for pay |
| amateurishness | noun | something that demonstrates a lack of professional competency |