The Collaborative International Dictionary
Middlingness
Middling \Mid"dling\, a.
Of middle rank, state, size, or quality; about equally
distant from the extremes; medium; moderate; mediocre;
ordinary. ``A town of but middling size.''
--Hallam.
Plainly furnished, as beseemed the middling
circumstances of its inhabitants.
--Hawthorne.
[1913 Webster] -- Mid"dling*ly, adv. -- Mid"dling*ness,
n.
Wiktionary
middlingness
n. Quality of being middling.