הָפַךְ (b. h.) 1) (act. verb) to turn; to change; to reverse; to pervert, subvert, destroy. Ex. R. s. 18 הָפְכָה המדינה שעבודה וכ׳ a country perverted the rules of forced labor for the captives (treating them inhumanely); ה׳ עליהם את הדין וכ׳ he changed the law against them and put them to death by night (against the Jewish law, v. Snh. IV, 1). Ib. ה׳ סדום He destroyed Sodom. Ber. 55ᵇ כשם שהָפַכְתָּ וכ׳ as thou didst turn the curse … into blessing, כן הֲפוֹךְ וכ׳ so do thou turn &c. B. Kam. III, 3 ההוֹפֵךְ את הגלל he who upturns (changes the place of) the dung (taking possession); a. v. fr.—Part. Pass. הָפוּךְ. Pes. 50ᵃ עולם ה׳ ראיתי וכ׳ I saw a reversed world, the uppermost below &c. Sabb. 108ᵇ הֲפוּכָה סדום וכ׳ Sodom is subverted and what is said about it is perverted. Sifra Thazr. Par. 3, ch. III הפוך, הפוכה when its color is changed; a. v. fr.—Y. Naz. V, end, 54ᵇ לשון הפוך, v. הֶפֶךְ. —2) (neut. verb) to change. Sifra ch. IV אי כולי ה׳ לבן if the whole of it has turned white. Neg. IV, 3; a. fr.
Nif. - נֶהְפַּךְ 1) to be upturned, destroyed; to be changed. Yalk. Esth. 1056 כשנ׳ סדום when Sodom was subverted. Gen. R. s. 50 ומדינה נֶהְפֶּכֶת, v. אִדְרַבְלָא. Tanḥ. Sh’moth 25 נ׳ להם מן וכ׳ the voice turned around, as if coming from &c.; a. fr. —2) to roll about, v. Hithpa.
Pi. - הִיפֵּךְ 1) to reverse, pervert, turn. Gen. R. s. 20 שהי׳ דברים וכ׳ who spoke perversely of the Creator. Kidd. 59ᵃ עני מְהַפֵּךְ וכ׳ a poor man turns the cake, and another comes and takes it, i.e. one who buys away what another is negotiating for. —2) to scheme, v. infra.