IPA: /ˈæməˌtɪrɪʃ/
KK: /ˈæmətərɪʃ/
Describing something that is done in a way that is not skilled or professional, often showing a lack of experience or expertise.
The amateurish performance lacked the polish of a seasoned actor.
Comparative: more amateurish
Superlative: most amateurish
Amateurish → It is formed from "amateur" (from French *amateur*, meaning one who loves or is fond of) and "-ish" (meaning having the quality of). The word "amateurish" describes something that has the qualities or characteristics of an amateur, often implying a lack of professionalism or skill.
Think of someone who is 'fond of' something ('amateur') but may not have the professional skills, which is what 'amateurish' means.