A primitive root; to promise (pos., to do or give something to God) -- (make a) vow.
H5087. nadar
נָדַר verb vow (Late Hebrew id.; Phoenician נדר; "" form of נָזַר, q. v. ); —
Qal Perfect3masculine singular ׳נ Psalm 132:2; 2 Samuel 15:8; נָדָ֑ר Judges 11:39; 3feminine singular נָדָ֑רה Numbers 30:11; 2masculine singular נָדַרְתָּ Genesis 31:13 5t. Perfect; Imperfect. 3 masculine singular יִדֹּר Numbers 6:21 5t.; 2 masculine singular תִּדֹּר Deuteronomy 12:17 4t., תִּדּוֺר Ecclesiastes 5:4 4t. Imperfect; Imperative plural נִדְרוּ Psalm 76:12; Infinitive לִנְדֹּר Numbers 6:2; Deuteronomy 23:23; Participle נֹדֵר Leviticus 27:8; Malachi 1:14; — vow a vow נֶדֶר נָדַר Genesis 28:20; 31:13 (both E), Numbers 21:2 (J), 6:2; 30:3; 30:4 (P), Judges 11:30; 1 Samuel 1:11; 2 Samuel 15:8, 7; Isaiah 19:21; נֶדֶר omitted Leviticus 27:8; Numbers 30:11 (P); Deuteronomy 23:23; Psalm 76:12; Ecclesiastes 5:4 (twice in verse); with לְ towhom Numbers 6:21; Deuteronomy 23:24; Malachi 1:14; Psalm 132:2; Ecclesiastes 5:3; נָדַר אֲשֶׁר נֶדֶר vow which he vowed Deuteronomy 12:11, 17; 23:22 (twice in verse); Judges 11:39; Jeremiah 44:25; Jonah 1:16; compare ׳נ אֲשַׁלֵּ֑מָה אֲשֶׁר 2:10, שַׁלֵּם תִּדֹּר אֲשֶׁר אֵת Ecclesiastes 5:3.