Strong's #4768: stugnazo (pronounced stoog-nad'-zo)
from the same as 4767; to render gloomy, i.e. (by implication) glower (be overcast with clouds, or sombreness of speech):--lower, be sad.
Thayer's Greek Lexicon:
́
stugnazō
1) to be sad, sorrowful
2) metaphorically of the sky covered with clouds
Part of Speech: verb
Relation: from the same as G4767
Usage:
This word is used 2 times:
Matthew 16:3: "sky is red and lowering. O ye hypocrites, ye can discern the"
Mark 10:22: "And he was sad at that saying, and went away grieved: for"