noun
( -es )
Etymology: single (I) + -ness
1. : sincerity and honesty in design or intent : straightforwardness
a man the singleness of whose motives could not be questioned — Winston Churchill
those who with singleness of mind try to do God's will — Interpreter's Bible
2. : the state of being unmarried : celibacy
traces the trends in nuptiality and singleness — Population Index
3. : the fact of being single or one of a kind or group : oneness
the singleness of a small operation … lost in the confusion of dozens of outfits — H.D.Skidmore
4. : the condition of standing or remaining alone or apart
the vulnerability of singleness will disappear before unity of effort — Douglas MacArthur
5. : the quality of concentrating on one central objective
the singleness of our aim generates a tremendous sense of solidarity — F.A.Perry