1. [n]  concern with or responsiveness to outward things (especially material objects as opposed to ideal concepts); "hearty showmanship and all-round outwardness"
2. [n]  the quality or state of being outside or directed toward or relating to the outside or exterior; "the outwardness of the world"
3. [n]  concern with outward things or material objects (especially the body and its appearance) as opposed to the mind and spirit; "hearty showmanship and all-around outwardness"

OUTWARDNESS is a 11 letter word that starts with O.