unobservable

unobservable

(ˌʌnəbˈzɜːvəbəl)

adj

incapable of observation; imperceptible

n

the unobservable something that cannot be observed

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

Thesaurus

Adj.

1.

unobservable - not accessible to direct observation imperceptible, unperceivable - impossible or difficult to perceive by the mind or senses; "an imperceptible drop in temperature"; "an imperceptible nod"; "color is unperceivable to the touch"

Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

unobservable

adjective

Incapable of being apprehended by the mind or the senses:

impalpable, imperceptible, imponderable, inappreciable, indiscernible, indistinguishable, insensible, intangible, invisible, unnoticeable.

The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.