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Webster 1913 Edition

Noun.

The quality or state of being perfect; perfection.

“Charity, which is the bond of perfectness.”

Col. iii. 14.

Noun.

Completeness; consummate excellence; perfection.

The highest degree of goodness or holiness of which man is capable in this life.

And above all things put on charity, which is the bond of perfectness. Col.3.

Accurate skill.

perfectness ‎(usually uncountable, plural perfectnesses)

quality of being perfect