the GNU version of the Collaborative International Dictionary of English
n. The quality or state of being peculiar; peculiarity.
The Century Dictionary and Cyclopedia
n. The state of being peculiar; peculiarity.—2. The state of being set apart; appropriateness.
Word Usage
"Well, I suppose the penguin is a pretty peculiar kind of creature when you think about it, but it's quite a robust kind of peculiarness, and the bird is perfectly well adapted to the world in which it finds itself, in a way that the kakapo is not."