falling out

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a personal or social separation (as between opposing factions)
- they hoped to avoid a break in relations
• Syn:
rupture, breach, break, severance, rift
• Derivationally related forms:
sever (for: severance), break (for: break)
• Hypernyms:
separation, breakup, detachment
• Hyponyms:
schism