unobvious
unob·vious
adjective
1.
not immediately apparent
- “in mathematical science connections are exhibited which...are extremely unobvious” A.N.Whitehead
Origin
From un- + obvious.
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.