adj.incapable of inspiring love or affection

"she was in some mysterious way...unlovable"

Unlovable
The Virtues of an Unlovable Press
The Unlovable Press: Conversations with Michael Schudson
Why Democracies Need an Unlovable Press
Why democracies Need an Unlovable Press
Fiscal policy councils: Unlovable or just unloved?
Michael Schudson: Why Democracies Need an Unlovable Press
"I Know I'm Unlovable": Desperation, Dislocation, Despair, and Discourse on the Academic Job Hunt.
Elaine the Unfair, Elaine the Unlovable: The Socially Destructive Artist/Woman in "Idylls of the King"
Mothers’ implicit appraisals of their adolescents as unlovable: Explanatory factor linking family conflict and harsh parenting.