From neker (second form); strange, in a variety of degrees and applications (foreign, non-relative, adulterous, different, wonderful) -- alien, foreigner, outlandish, strange(-r, woman).
see HEBREW neker
H5237. nokri
נָכְרִי adjective foreign, alien (Late Hebrew נָכְרִי = Gentile); — ׳נ absolute masculine Zephaniah 1:8 +; feminine נָכְרִיָּה Exodus 2:22 +; masculine plural נָכְרִים Isaiah 2:6 2t. + Proverbs 20:16 Kt (> Qr נָכְרִיָּה), + 27:13 (so read for נָכְרִיָּה ᵑ0); feminine plural נָכְרִיּוֺת Genesis 31:15 +; —
1. a. foreign: נָכְרִי עַם Exodus 21:8 (E) a foreign (non-Israel) people, נ ׳אִישׁ Deuteronomy 17:15 ("" אָתִיךָ לֹא); נ ׳מַלְבּוּשׁ Zephaniah 1:8; נָכְרִיָּה אֶרֶץ Exodus 2:22 (J) foreign land, so 18:3 (E); especially נָכְרִיּוֺת נָשִׁים foreign (non-Israel) women 1 Kings 11:18; Ezra 10:2, 10, 11, 14, 17, 18, 44; Nehemiah 13:26-27,.
b. as substantive נָכְרִי foreigner (non-Israel) Judges 19:12 (+ יִשְׂרָאֵל מִבְּנֵי לֹא אֲשֶׁר), 1 Kings 8:41 (+ מֵעַמְּךָ לֹא אֲשֶׁר), = 2 Chronicles 6:32 (+ id.), 1 Kings 8:43 2 Chronicles 6:33; Deuteronomy 14:21 ("" גֵּר), 15:3; 23:21 (opposed to אָחִיךָ), 29:21 (+ רְחוֺקָה מֵאֶרֶץ יָבאֹ אֲשֶׁר); as predicate, 2 Samuel 15:19 ("" גֹּלֶה), נָכְרִיָּה Ruth 2:10; plural נָכְרִים foreigners Lamentations 5:2 (זָרִים), Obadiah 11 ("" id.); compare נָכְרִים יַלְדֵי Isaiah 2:6; feminine plural alien women Genesis 31:15 (E; i.e. not of one's father's family).
2 נָכְרִיָּה foreign woman, as technical term, in Proverbs, for harlot (perhaps because harlots were originally chiefly foreigners): Proverbs 2:16 ("" זָרָה אִשָּׁה), 7:5 ("" id.), 5:20 ("" זָרָה), 6:24 ("" רָ֑ע אֵשֶׁת), 23:27 ("" זוֺנָה). — On 20:16; 27:13 see below
3 figurative unknown, unfamiliar: בְּעֵינֵיהֶם הָיִיתִי נָכְרִי Job 19:15 an alien am I become in their eyes; ׳נ אִמִּי לִבְנֵי Psalm 69:9 ("" לְאֶחָ֑י הָיִיתִי מוּזָר); נ ׳אִישׁ Ecclesiastes 6:2; of ׳יs judgment, עֲבֹדָתוֺ נָכְרִיָּה Isaiah 28:21 strange is his task! ("" מַעֲשֵׂהוּ זָר); נָכְרִיָּה גֶּפֶן Jeremiah 2:21 an alien vine (opposed to אֱמֶת זֶרַע), figurative of degenerate Israel; as substantive, נָכְרִים Proverbs 20:16 Kt (> Qr נָכְרִיָּה), alens, persons unknown to him ("" זָר), so read also (for נָכְרִיָּה ᵑ0) "" 27:13.