17
amateur(noun, adjective, expert, green, ignorant)
15
nonprofessional(noun, adjective, professional, layperson)
7
rookie(noun, adjective, expert, green, ignorant)
7
unprofessional(adjective, good, expert, green, ignorant)
7
unskilled(adjective, green, ignorant)
6
babe(noun, person, master, competence, adult)
5
amateurish
4
inexpert
4
green(adjective, ignorant)
3
apprentice(noun, expert, amateur)
3
lay(adjective, amateur)
3
disorganised person
2
greenhorn(noun, person, expert, amateur)
2
inexperienced(adjective, green, ignorant)
2
layman(noun, amateur)
2
novice(noun, something)
2
recreational
2
tutorial
2
untrained(adjective, green, ignorant)
1
dilettante(noun, adjective, amateur, amateurish)
10 years ago|2.8k views|share |citing 
APASmart Define. (2016). professional thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/professional/thesaurus/antonyms
ChicagoSmart Define. 2016. "professional thesaurus" https://smartdefine.org/professional/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, professional thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/professional/thesaurus/antonyms>.
MLASmart Define. "professional thesaurus" 30 March 2016. Web. 23 September 2026. <https://smartdefine.org/professional/thesaurus/antonyms>