nitid adjective2 •Bright; lustrous; shining.mandibles black ; palpi testaceous ; elytra reddish-brown, slightly nitid, the central portion with a few barely preceptible ashy spots ... — 1864 •(no longer used) Festively or smartly dressed; spruce; fine.yet amongst these doth the nitid spark spend out his time: this is the Gallant's day! — 1657 formsmore nitid · most nitid