Search Result for "unobvious": 
Wordnet 3.0

ADJECTIVE (1)

1. not immediately apparent;
- Example: "in mathematical science connections are exhibited which...are extremely unobvious"- A.N.Whitehead


The Collaborative International Dictionary of English v.0.48:

Unobvious \Unobvious\ See obvious.
WordNet (r) 3.0 (2006):

unobvious adj 1: not immediately apparent; "in mathematical science connections are exhibited which...are extremely unobvious"- A.N.Whitehead [ant: obvious]