Nullifying a Vow Neder

Nullifying a Vow (Neder)

במדבר פרק ל, ד זה הדבר
נדרים ע"ח החכם מתיר ובעל מיפר

Two expressions (מתיר, מיפר) of which both indicate how a vow is nullified.

T.T. Nullification by a Chacham cancels the vow from the initial state, as if it was not made at all, since the Chacham hears an “opening” and completely uproots the vow.

The Torah allows a husband only to release the vow from this time forward לשון היתר על עקירה ולשון הפרה מכאן ולהבא