unworkmanlike
un·work·man·like
adjective
1.
not characteristic of or suitable for a good workman
- “an unworkmanlike result”
- “an unworkmanlike tool”
Origin
From un- + workmanlike.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.