Lexical Definition

‎זַךְ‎ zak (zak) pure H:A
from ‎זָכַךְ‎

clean, pure.

1) clean, pure
1a) pure
1b) pure, clean, righteous (fig.)
2) the pure one (subst)

See Greek: ἁγνός · διαφανής · καθαρός · ὅσιος

Usage: 7 forms in 11 verses
Form Translated As     In Verse(s)
זָ֛ךְ pure Exod.27.20Lev.24.2
זַכָּֽה pure Job.16.17
זַכָּ֑ה pure Exod.30.34Lev.24.7
זַ֥ךְ pure Job.8.6Job.33.9
זַ֣ךְ pure Job.11.4Prov.16.2
זַ֖ךְ pure Prov.20.11
וְ֝זַ֗ךְ and a pure Prov.21.8

Brown-Driver-Briggs

‎זַךְ‎ adjective pure, clean; absolute ‎זַךְ‎ Job 8:6 + 5 t.; ‎זָךְ֛‎ Exod 27:20; Lev 24:2 feminine ‎זַכָּה‎ Exod 30:34 + 2 t.; —

1. literally, pure, i.e. unmixed, free from foreign substances, of olive oil Exod 27:20; Lev 24:2, of frankincense Exod 30:34; Lev 24:7 (all P and H).

2. figurative, pure, clean, righteous (only Job, Proverbs): — of man Job 8:6 (|| ‎יָשָׁר‎), Job 33:9 (+ ‎בְּלִי פָ֑שַׁע‎; || ‎חַף‎); as substantive = the pure, righteous ‎וְזַךְ יָשָׁר פָּעֳלוֺ‎ Prov 21:8 (opposed to ‎וָזָר֑‎ q. v.); of mode of life ‎כָּלדַּֿרְכֵיאִֿישׁ זַךְ בְּעֵינָיו‎ Prov 16:2 of mode of action (‎פָּעֳלוֺ‎) Prov 20:11 (|| ‎יָשָׁר‎); of doctrine (‎לִקְחִי‎) Job 11:4 (|| ‎בַּר הייתי‎); of prayer Job 16:17 (|| ‎לֹא חָמָס בְּכַפָּ֑י‎).

Brown-Driver-Briggs References

Book Refs
Exodus 27:20 · 30:34
Leviticus 24:2 · 24:7
Job 8:6 · 11:4 · 16:17 · 33:9
Proverbs 16:2 · 20:11 · 21:8