unprofessional
- adjective (adj)
Meaning: not done well or skillfully
Synonyms:
amateur
amateurish
ignorant
improper
inadequate
incompetent
inefficient
inexperienced
inexpert
lax
negligent
nonexpert
unethical
unfitting
unsuitable
untrained
unworthy
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.