verb (used without object), tes·ti·fied, tes·ti·fy·ing.
verb (used with object), tes·ti·fied, tes·ti·fy·ing.
- testicular artery,
- testicular cord,
- testicular feminization syndrome,
- testimony meeting,
Origin of testify
Examples from the Web for testifier
The second testifier was a wood-sawyer, who had occasion to spend a night in the house belonging to the farm.
verb -fies, -fying or -fied
Word Origin for testify
late 14c., "to serve as evidence of," from Latin testificari "bear witness," from testis "witness" (see testament) + root of facere "to make" (see factitious). Biblical sense of "openly profess one's faith and devotion" is attested from 1520s. Related: Testified; testifying.