Douglas Harper's Etymology Dictionary
Wiktionary
a. 1 not suspected 2 that has not raised ''suspicion''
WordNet
adj. not suspected or believed likely; "remained unsuspected as the head of the spy ring"; "he was able to get into the building unspotted and unsuspected" [ant: suspected]
Usage examples of "unsuspected".
And he was sitting outdoors at the Baja Naja, toying with the remains of a perfectly agreeable if unspectacular lunch while discussing a kind of previously unsuspected diabolic state of being with an extensively parasitized visitor from another continent.
It was strategically unsound, flashy but built out of pseudo traps tailored to snare potzers who thought they saw an unsuspected opening suitable for a quick kill.
We examined animal after animal, then, and found the estate rich in thitherto unsuspected carnivora.
He had failed as yet in getting any positive evidence that there was any relation between Elsie and the schoolmaster other than such as might exist unsuspected and unblamed between a teacher and his pupil.
At length, finding that the lunar angle--the apparent position of the Moon--confirmed the reading of the discometer, giving the same apogaic distance or elevation, I supposed that the barycrite must be out of order or subject to some unsuspected law of which future observations might afford evidence and explanation, and turned to other subjects of interest.
And he was sitting outdoors at the Baja Naja, toying with the remains of a perfectly agreeable if unspectacular lunch while discussing a kind of previously unsuspected diabolic state of being with an extensively parasitized visitor from another continent.
But within the moon, practically unsuspected by me, there are, it seems, a number of other sorts of Selenite, differing in size, differing in the relative size of part to part, differing in power and appearance, and yet not different species of creatures, but only different forms of one species, and retaining through all their variations a certain common likeness that marks their specific unity.
These were hitherto unsuspected octaves of electromagnetic radiation far below even the gamma and cosmic rays in wavelength, and which had velocities vastly greater than the speed of light.
Better than any type of conceptualization, the quotations revealed an unsuspected and unwavering line of action that don Juan had followed in order to promote and facilitate my entrance into his world.
Sequence, form, unsuspected relationships were not really the issue here.
Beneath those marble cenotaphs and urns Lies richer dust than ever nature hid Packed in the mountain's adamantine heart, Or slyly wrapt in unsuspected sand-- The dross men toil for, and oft stain the soul.
The discovery that some vault deeper than the deepest known masonry of the Romans underlay this accursed pile, some vault unsuspected by the curious antiquarians of three centuries, would have been sufficient to excite us without any background of the sinister.
Was there a "secret" at Bly--a mystery of Udolpho or an insane, an unmentionable relative kept in unsuspected confinement?
Yet by now they can also both see the Western Mountains, ascending from the Horizon like a very close, hitherto unsuspected, second Moon, the Circumferentor daily tracking the slow rise in vertical angle to the tops of these other-worldly Peaks.
The sun is high, and the wind is blowing, and the comrade road is waiting, genially postponing its sure self-revelation, but a-tiptoe to be off now to the woods, where we may share our fun unmolested, unsuspected.