amateurish
adjective
[ ˈamətərɪʃ ]
• done in an unskilful or inept way.
• "her amateurish interviewing technique"
Similar:
incompetent,
inept,
useless,
unskilful,
inexpert,
amateur,
clumsy,
maladroit,
gauche,
blundering,
bungling,
bumbling,
botched,
crude,
bodged,
