The phrase "deep splits" refers to divisions or disagreements that go beyond surface-level arguments and are serious or significant. It suggests that the differences or conflicts are profound and may be difficult to resolve.
Sentences with «deep splits»
Shadow Defence Secretary Emily Thornberry - like Mr Corbyn a staunch unilateralist - is leading a review of Labour's policy on Trident, which has already exposed deep splits within the party on the issue. (politicshome.com)
A left - leaning coalition - formal or informal - will have around five parties, with deep splits over single market membership and free movement, and with the SNP existentially needing to portray Westminster (especially a Labour government in Westminster) as being out of touch with Scotland. (politics.co.uk)
Nevertheless, several studies suggest that the human genome records some strikingly deep splits between populations. (scientificamerican.com)