Strong's Definition
redupl. from 3648; obscuration (as if from shrinkage of light, i.e. an eclipse (only in plural)
KJV Usage: blackness
STEPBible — Tyndale Abridged Hebrew Lexicon
כִּמְרִיר (kim.rir) — darkness. blackness, gloominess, darkness
UBS Dictionary of Biblical Hebrew
noun m
Dark
darkness = process by which the daylight makes place for darkness; ≈ associated with distress and suffering
adj · מרר
Intense
bitter, deadly literally: bitter; hence: = state in which an event is of a very serious nature, and potentially fatal
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
[כִּמְרִיר] n.m. darkness, gloominess (?), Jb 3:5 ref