from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Not readily noticeable.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Not prominent or easily noticeable
from the GNU version of the Collaborative International Dictionary of English
- adj. Not conspicuous or noticeable; hardly discernible.
from The Century Dictionary and Cyclopedia
- Not conspicuous or readily discernible; not to be easily perceived by the sight; so small or unobtrusive as readily to escape notice.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. not prominent or readily noticeable
First attested circa 17th century, from Late Latin inconspicuus, from in-, "not" + Latin conspicuus, "conspicuous." Modern sense of "not easily noticeable" is from 1828. (Wiktionary)