Meaning of the word amateurish in English

What does amateurish mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

amateurish

US /ˌæm.əˈtʊr.ɪʃ/
UK /ˈæm.ə.tər.ɪʃ/
"amateurish" picture

Adjective

done in an unskillful or unprofessional way

Example:
The painting looked amateurish and lacked detail.
It was an amateurish mistake that cost them the game.