"amateur" in the noun sense
1. amateur
someone who pursues a study or sport as a pastime
2. amateur
an athlete who does not play for pay
"amateur" in the adjective sense
1. amateur, recreational, unpaid
engaged in as a pastime
"an amateur painter"
"gained valuable experience in amateur theatricals"
"recreational golfers"
"reading matter that is both recreational and mentally stimulating"
"unpaid extras in the documentary"
2. amateurish, amateur, inexpert, unskilled
lacking professional skill or expertise
"a very amateurish job"
"inexpert but conscientious efforts"
"an unskilled painting"
Source: WordNet® (An amazing lexical database of English)
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