be as thick as a brick

Idiom

What is the meaning of be as thick as a brick

to be very stupid

What is the origin of be as thick as a brick

Origin:

origin of the idiom goes back to the 16th century. It alludes to the fact that bricks were used to make buildings and thus the thickness of the brick is the measure of the strength of the building.

How to use be as thick as a brick

Example Sentence:

Example usage 1: he is so thick as a brick that he cannot understand why his friend is angry with him.

Example usage 2: she was so thick as a brick that she could not comprehend the simplest ideas.

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