Definition of tip the scales or balance in English:

tip the scales (or balance)

(Of a circumstance or event) be the deciding factor; make the critical difference: her proven current form tips the scales in her favor
More example sentences
  • Depending on the extent of the difference in rank, however, other factors can tip the balance.
  • This was, probably, the over-riding factor that finally tipped the scales and made him decide to make the trip at last.
  • A large enrolment - of 95 students - for French immersion kindergarten next September was one factor that tipped the balance.
See parent entry: tip

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day noisome
Pronunciation: ˈnɔɪs(ə)m
adjective
having an extremely offensive smell