ukr.vitalinguist — How to say it in authentic Ukrainian

be ashamed of
B2 adjective — be ashamed of sb

to be angry and disappointed with a family member or friend because they have behaved badly

Authentic Ukrainian renderings

Confidence: high = attested in ≥3 sources OR ≥2 source classes; medium = 2 sources of same class; tentative = single source.

митисяtentativeverb, imperfective✓ modern UA ×61 source, 1 hite2u:Українсько-англійський словник

Bilingual dictionary attestations (1 dicts, 2 rows)

Українсько-англійський словник
зацура́ти (-а́ю, -а́єш) P vt to leave, abandon; зацура́тися P vi to avoid, seek to escape, shun, keep away, be ashamed of.
Українсько-англійський словник
соро́мити (-млю, -миш) I vt to shame, cover with shame, put to shame, make (one) blush; соро́митися I vi to be ashamed of , feel ashamed; to blush for shame.

Live source: https://e2u.org.ua/s?w=be%20ashamed%20of&highlight=on