from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Characteristic of an amateur; not professional.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Suggesting or reflecting the efforts of an amateur; not seeming professional or polished.
from the GNU version of the Collaborative International Dictionary of English
- adj. In the style of an amateur; superficial or defective like the work of an amateur.
from The Century Dictionary and Cyclopedia
- Pertaining to or characteristic of an amateur; having the faults or deficiencies of an amateur or a non-professional.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. lacking professional skill or expertise
amateur + -ish. (Wiktionary)