|Noah Webster's Dictionary|
(n.) The quality or condition of being sharp; keenness; acuteness.
Sharpness (2 Occurrences)
2 Corinthians 13:10 Therefore I write these things being absent, lest being present I should use sharpness, according to the power which the Lord hath given me to edification, and not to destruction. (KJV WBS)
Psalms 89:43 Also -- Thou turnest back the sharpness of his sword, And hast not established him in battle, (YLT)