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English definition of “welch”

welch

verb [I] uk   /weltʃ/ /welʃ/ (also welsh) informal disapproving us  
to avoid doing something you have promised to do, especially not to pay a debt: Their competitors' behaviour gave them a great opportunity to welch on their promises.Avoiding actionLaziness and lazy peopleMaking and breaking promises and commitments
(Definition of welch from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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