undateable
/ˌʌndəˈteɪbəl, -ˈteɪbəl/Definitions
1. adjective
unwilling or unable to date or engage in romantic relationships, often due to emotional baggage or past experiences.
“After his last breakup, he had become undateable and was focusing on himself for a while.”
2. noun
a person who is unwilling or unable to date or engage in romantic relationships.
“His friends considered him undateable after a string of unsuccessful relationships.”