Lexical Definition

‎גָּדַר‎ gâdar (gaw-dar') to wall up/off H:V
a primitive root

close up, fence up, hedge, inclose, make up (a wall), mason, repairer.

1) to wall up, wall off, close off, build a wall
1a) (Qal)
1a1) to wall up, shut off
1a2) masons (participle)

See Greek: ἀναστρέφω · ἀνοικοδομέω · οἰκοδομέω

Usage: 10 forms in 10 verses
Form Translated As     In Verse(s)
וַתִּגְדְּר֥וּ and you have walled up Ezek.13.5
וְלַגֹּֽדְרִים֙ and to the masons 2Kgs.12.12
וְלַגֹּֽדְרִ֑ים and to the masons 2Kgs.22.6
וְגָדַרְתִּ֣י and I will wall up Amos.9.11
וְגָֽדַרְתִּי֙ and I will wall up Hos.2.6
גֹּדֵ֣ר walls up Isa.58.12
גֹּֽדֵר build Ezek.22.30
גָּדַ֧ר he has walled up Lam.3.7
גָּדַ֤ר he has walled up Lam.3.9
גָ֭דַר he has walled up Job.19.8

Brown-Driver-Briggs

‎גָּדַר‎ verb wall up or off, build a wall (denominative? Late Hebrew id., Arabic and see ‎גָּדֵר‎ below) —

Qal Perfect ‎גָּדַר‎ Job 19:8 + 2 t., ‎וְגָדַרְתִּ֫י‎ Hos 2:8*; Amos 9:11 Imperfect 2 masculine plural ‎וַתִּגְדְּרוּ‎ Ezek 13:5 Participle ‎גֹּדֵר‎ Isa 58:12; Ezek 22:30 plural ‎גֹּדְרִים‎ 2Kgs 12:13*; 2Kgs 22:6wall up, shut off, literal only Participle, absolute = masons (wall-builders) 2Kgs 12:13*; 2Kgs 22:6 also Isa 58:12 (object ‎פֶּרֶץ‎); figurative of Yahweh's dealings with men, object ‎אֹרַה‎ Job 19:8, ‎דֶּרֶך‎ Lam 3:9 compare Hos 2:8* (accusative of congnate meaning with verb ‎גָּדֵר‎), in all = obstructing path of life, compare also Lam 3:7 (with ‎בַּעֲדִי‎); of restoring fallen booth of David Amos 9:11 (object ‎פרצים‎); of repairing fortunes of Israel, a work neglected by prophets Ezek 13:5, and by all in power Ezek 22:30 (both with accusative of congnate meaning with verb)

Brown-Driver-Briggs References

Book Refs
2 Kings 12:13* · 22:6
Job 19:8
Isaiah 58:12
Lamentations 3:7 · 3:9
Ezekiel 13:5 · 22:30
Hosea 2:8*
Amos 9:11