in mistake for something

in mistake for (something)

Mistaking one thing for something else. Manufacturers are being forced to package laundry detergent pods in childproof packaging, following a number of incidents in which young children have eaten the small, colorful products in mistake for candy. The defendant claims he simply grabbed the bag of narcotics in mistake for his own.
See also: for, mistake
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

in miˈstake for something

thinking that something is something else: Children may eat pills in mistake for sweets.
See also: for, mistake, something
Farlex Partner Idioms Dictionary © Farlex 2017
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