Open English Wordnet
Nouns
Adjectives
(s)amateur, recreational, unpaidengaged 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”
(s)amateurish, amateur, inexpert, unskilledlacking professional skill or expertise“a very amateurish job”, “inexpert but conscientious efforts”, “an unskilled painting”