Wiktionary
underlit
a. 1 illuminated from beneath 2 poorly, or insufficiently illuminated
Usage examples of "underlit".
Underlit by the phosphor pallor of the runes that channeled the thrust ef the lane tides, he slapped out a persistent, smoldering spark still raising smoke from his sleeve cuff.
The glare underlit the legs, picking them out in rapid strobing flashes as the room adjusted its fall, negated it and began to heave-to alongside the ship once more.