A primitive root; to twine, i.e. (literally) to struggle or (figuratively) be (morally) tortuous -- (shew self) froward, shew self unsavoury, wrestle.
Englishman's Concordance
1) to twist 1a) (Niphal) 1a1) to be twisted 1a2) to wrestle 1b) (Hithpael) to be twisted Part of Speech: verb A Related Word by BDB/Strong’s Number: a primitive root Same Word by TWOT Number: 1857
Niph`alPerfect1singular נִמְּתַּלְתִּי עִםGenesis 30:8I have wrestled (literally twisted myself) with; Participleעֲצַת נִפְתָּלִיםJob 5:13the plan of the tortuous; נִפְתָּל וְעִקֵּשׁProverbs 8:8 anything tortuous and twisted.
Hithpa`elImperfect2masculine singular עִםֿעִקֵּשׁ תִּתְמַּתָּ֑לPsalm 18:27with the twisted thou dost deal tortuously = 2 Samuel 22:27 (so read for impossible תִּתַּמָּ֑ל).
Genesis 30:8 HEB:נַפְתּוּלֵ֨י אֱלֹהִ֧ים ׀ נִפְתַּ֛לְתִּי עִם־ אֲחֹתִ֖י NAS: wrestlings I have wrestled with my sister, KJV: wrestlings have I wrestled with my sister, INT: wrestlings mighty have wrestled with my sister
2 Samuel 22:27 HEB:וְעִם־ עִקֵּ֖שׁ תִּתַּפָּֽל׃ NAS: And with the perverted You show Yourself astute. KJV: and with the froward thou wilt shew thyself unsavoury. INT: and with the perverted show
Job 5:13 HEB:בְּעָרְמָ֑ם וַעֲצַ֖ת נִפְתָּלִ֣ים נִמְהָֽרָה׃ NAS: And the advice of the cunning is quickly thwarted. KJV: and the counsel of the froward is carried headlong. INT: shrewdness and the advice of the cunning is quickly
Psalm 18:26 HEB:וְעִם־ עִ֝קֵּ֗שׁ תִּתְפַּתָּֽל׃ NAS: And with the crooked You show Yourself astute. KJV: and with the froward thou wilt shew thyself froward. INT: and with the crooked show
Proverbs 8:8 HEB:אֵ֥ין בָּ֝הֶ֗ם נִפְתָּ֥ל וְעִקֵּֽשׁ׃ NAS: There is nothing crooked or perverted KJV: [are] in righteousness; [there is] nothing froward or perverse INT: of my mouth There crooked perverted