Akademik

obscure
adj. & v.
—adj.
1 not clearly expressed or easily understood.
2 unexplained, doubtful.
3 dark, dim.
4 indistinct; not clear.
5 hidden; remote from observation.
6 a unnoticed. b (of a person) undistinguished, hardly known.
7 (of a colour) dingy, dull, indefinite.
—v.tr.
1 make obscure, dark, indistinct, or unintelligible.
2 dim the glory of; outshine.
3 conceal from sight.
Phrases and idioms:
obscure vowel = indeterminate vowel.
Derivatives:
obscuration n. obscurely adv.
Etymology: ME f. OF obscur f. L obscurus dark

Useful english dictionary. 2012.