Ob·scure a. [Compar. Obscurer superl. Obscurest.]
1. Covered over, shaded, or darkened; destitute of light; imperfectly illuminated; dusky; dim.
His lamp shall be put out in obscure darkness. --Prov. xx. 20.
2. Of or pertaining to darkness or night; inconspicuous to the sight; indistinctly seen; hidden; retired; remote from observation; unnoticed.
The obscure bird
Clamored the livelong night. --Shak.
The obscure corners of the earth. --Sir J. Davies.
3. Not noticeable; humble; mean. “O base and obscure vulgar.” --Shak. “An obscure person.”
4. Not easily understood; not clear or legible; abstruse or incomprehensible; as, an obscure passage or inscription.
5. Not clear, full, or distinct; clouded; imperfect; as, an obscure view of remote objects.
Obscure rays Opt., those rays which are not luminous or visible, and which in the spectrum are beyond the limits of the visible portion.
Syn: -- Dark; dim; darksome; dusky; shadowy; misty; abstruse; intricate; difficult; mysterious; retired; unnoticed; unknown; humble; mean; indistinct.