adj. alive
adv. while alive
v. to make or become alive

Pogaan nahlaas, vokrii wah jun.
Many alive, restored to (the) light.
(Paarthurnax, 000D2CF5)

Sigruuf wahlaan qethsegol briinahii vahrukt, Lanal, wen brit luft los ol kinzon ahrk sot ol Nus, dwiirok nol nahlaas ozinvey.
Sigruuf raised this stone for his sister, Lanal, whose beautiful face was as sharp and white as a Statue, carved from living ivory.
(Word Wall for Nus, Ice Form)

Qethsegol vahrukiv kiir jun Jafnhar, wo los ag nahlaas naal Yol do lot dovah Lodunost.
This stone commemorates the child king Jafnhar, who was burned alive by the Fire of the great dragon Lodunost.
(Word Wall for Yol, Fire Breath)

Can describe a living person, or something metaphorically said to be living or alive.

From laas ‘life’.