given to moping; listless, apathetic, or dejected.
Origin of mopish
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for mopishness
Historical Examples of mopishness
I'm right glad poor Mr. Amyas should find a sprightly young lady to cure him of his mopishness.Love and Life
Charlotte M. Yonge