Simple past tense and past participle of welsh.(verb)
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Use "welshed" in a sentence
"It welshed on billions owed to its creditors rather than rudely inconvenience its citizens by collecting taxes."
"The very idea that England “likes us better” after the shabby treatment their PM and his wife received here; that Poland “likes us better” after this Administration welshed on our defense agreement; that Israel “likes us better” after the inconceivable public snub of their PM … and on, ad infinitum … is either false, or prima facie evidence that the rest of the world is jerking our chain."
"To be direct about what happened here, your brothers welshed on a series of debts -- to their parents, no less."