Origin: Germanic Old English suffix
Outwardness has 4 different meanings across 1 category:
concern with outward things or material objects as opposed to the mind and spirit
"what is the origin of the outwardness of our sensations of sound, smell, or taste"
"an abstract conception with feelings of reality and spatial outwardness attached to it"
the quality or state of being outside or directed toward or relating to the outside or exterior
"the outwardness of the world"
a concern with or responsiveness to outward things (especially material objects as opposed to ideal concepts)
"hearty showmanship and all-round outwardness"
The quality of being outward.