From The Collaborative International Dictionary of English v.0.48 :
Nitid \Nit"id\, a. [L. nitidus, fr. nitere. See 3d Neat.]
1. Bright; lustrous; shining. [R.] --Boyle.
[1913 Webster]
2. Gay; spruce; fine; -- said of persons. [R.] --T. Reeve.
[1913 Webster]
From WordNet (r) 3.0 (2006) :
nitid
adj 1: bright with a steady but subdued shining; "from the plane
we saw the city below agleam with lights"; "the gleaming
brass on the altar"; "Nereids beneath the nitid moon"
[syn: agleam, gleaming, nitid]