noun tar·na·tion \ˌtär-ˈnā-shən\

Definition of tarnation

  1. :  damnation —often used as an interjection or intensive —often used with in <tarnation strike me — James Joyce> <where in tarnation you from? — Jessamyn West>

Origin and Etymology of tarnation

alteration of darnation, euphemism for damnation

First Known Use: 1790

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