We found one dictionary that defines the word not worth a tinker's curse:

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1. not worth a tinker's curse: Wiktionary

Definitions from Wiktionary (not worth a tinker's curse) ▸ adjective:  Synonym of not worth a curse ▸ Words similar to not worth a tinker's curse ▸ Usage examples for not worth a tinker's curse ▸ Idioms related to not worth a tinker's curse ▸ Wikipedia articles (New!) ▸ Popular nouns described by not worth a tinker's curse ▸ Words that often appear near not worth a tinker's curse ▸ Rhymes of not worth a tinker's curse ▸ Invented words related to not worth a tinker's curse