'Unfeigned' in the Bible

in pureness, in knowledge, in long suffering, in kindness, in the Holy Spirit, in love unfeigned,

But the end of the charge is love out of a pure heart and a good conscience and faith unfeigned:

having been reminded of the unfeigned faith that is in thee; which dwelt first in thy grandmother Lois, and thy mother Eunice; and, I am persuaded, in thee also.

Seeing ye have purified your souls in your obedience to the truth unto unfeigned love of the brethren, love one another from the heart fervently: