unadorable
/ˌʌn.əˈdɔrəbəl/Definitions
1. adjective
Lacking the qualities that make someone or something attractive, charming, or appealing.
“The unadorable decor of the old mansion was a major turn-off for potential buyers.”
2. noun
A person or thing that is unattractive, unappealing, or unpleasant.
“The unadorable creature in the movie was actually a cleverly designed puppet.”