Able to be confused, mistaken for something else, or bewildered; capable of being confounded.
From confound + -able suffix (Latin -abilis, meaning 'capable of being'). A somewhat rare English adjective following standard word-formation patterns.
Twins are often confoundable—so genetically similar that even parents might confuse them—but scientists use 'confounding variables' to describe situations where two different causes might look like one, leading to wrong conclusions.
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