verb (used with or without object), fore·swore, fore·sworn, fore·swear·ing.
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for foreswear
Historical Examples of foreswear
It was all very fine to foreswear adventure, but what if adventure refused to be foresworn?
And in his dream-state he found himself prepared to foreswear all that he held holy—for her sake.