A primitive root; to cheat, i.e. Be untrue (usually in words) -- fail, deal falsely, lie.
Englishman's Concordance
1) to do or deal falsely, be false, trick, cheat 1a) (Piel) to deal falsely 1b) (Qal) to deal falsely Part of Speech: verb A Related Word by BDB/Strong’s Number: a primitive root Same Word by TWOT Number: 2461
Brown-Driver-Briggs
[שָׁקַר] verb denominativedo or deal falsely; —
QalImperfect2masculine singular; תִּשְׁקֹרGenesis 21:23thou wilt not do falsely to me (׳לִ).
שׁרב (√ of following, parch; Late Hebrew שָׁרַבbe scorched (by sun), שָׁרָבparching heat (of sun); Ecclus 43:22 דש ן שרבparched grass; Aramaic שְׁרב, שְׁרֵיב, , , be parched, שְׁרבheat, drought: compare probably also Assyrian proper name, of divinity Šarrabu(-pu) ZimKAT3. 415; > compare Arabic mirage [RobBR i. 42] GesIsaiah 35:7 and others; see against this especially CheIntrod. Is. 269).
Genesis 21:23 HEB:הֵ֔נָּה אִם־ תִּשְׁקֹ֣ר לִ֔י וּלְנִינִ֖י NAS: by God that you will not deal falsely with me or with my offspring KJV: by God that thou wilt not deal falsely with me, nor with my son, INT: here you will not deal my offspring my posterity
Leviticus 19:11 HEB:תְכַחֲשׁ֥וּ וְלֹֽא־ תְשַׁקְּר֖וּ אִ֥ישׁ בַּעֲמִיתֽוֹ׃ NAS: nor deal falsely, nor KJV: neither deal falsely, neither lie one INT: falsely nor deal to one another
1 Samuel 15:29 HEB:יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר וְלֹ֣א יִנָּחֵ֑ם NAS: of Israel will not lie or change KJV: of Israel will not lie nor repent: INT: of Israel will not lie or change
Psalm 44:17 HEB:שְׁכַחֲנ֑וּךָ וְלֹֽא־ שִׁ֝קַּ֗רְנוּ בִּבְרִיתֶֽךָ׃ NAS: upon us, but we have not forgotten You, And we have not dealt falsely with Your covenant. KJV: upon us; yet have we not forgotten thee, neither have we dealt falsely in thy covenant. INT: forgotten have not dealt your covenant
Psalm 89:33 HEB:מֵֽעִמּ֑וֹ וְלֹֽא־ אֲ֝שַׁקֵּ֗ר בֶּאֱמוּנָתִֽי׃ NAS: from him, Nor deal falsely in My faithfulness. KJV: from him, nor suffer my faithfulness to fail. INT: with Nor deal my faithfulness
Isaiah 63:8 HEB:בָּנִ֖ים לֹ֣א יְשַׁקֵּ֑רוּ וַיְהִ֥י לָהֶ֖ם NAS: Sons who will not deal falsely. So He became KJV: children [that] will not lie: so he was their Saviour. INT: Sons who will not deal became like