1. The quality or state of being single, or separate from all others; the opposite of doubleness, complication, or multiplicity.
2. Freedom from duplicity, or secondary and selfish ends; purity of mind or purpose; simplicity; sincerity; as, singleness of purpose; singleness of heart.
n 1: without hypocrisy; "the singleness of his motives could not
be questioned" [syn: straightforwardness]
2: the quality of concentrating on one central objective; "his
singleness of purpose"