Below are the words that matched your query...
Unexplored
- not yet discovered; "undiscovered islands"
Unheard-Of
- previously unknown; "a first novel by an unheard of writer"; "developments on an unheard-of scale"
Ununderstood
- not understood; "should not tamely submit to the unpredictable and ununderstood cycles of wars"- Psychiatry
Uncomprehended
- not fully understood; "an uncomprehended mystery"
Ungrasped
- not fully apprehended; "the ungrasped infinite ground of all being"- Philip Wheelwright
Unlabeled
- lacking a label or tag; "unlabeled luggage is liable to be lost"
Unlabelled
- lacking a label or tag; "unlabeled luggage is liable to be lost"
Untagged
- lacking a label or tag; "unlabeled luggage is liable to be lost"
Unlamented
- not grieved for; causing no mourning; "interred in an unlamented grave"
Unmourned
- not grieved for; causing no mourning; "interred in an unlamented grave"