Concrete idols get shattered (5)

I believe the answer is:

solid

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'concrete' is the definition.
(similar in meaning)

'idols get shattered' is the wordplay.
'idols' anagrams to 'SOLID'.
However, I am unsure how this is indicated.

Can you help me to learn more?

(Other definitions for solid that I've seen before include "Three-dimensional shape, not hollow" , "Firm and stable" , "Of substance" , "Sound; substantial" , "thick" .)

I've seen this clue in The Globe and Mail.

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