Definitions from Wiktionary (dumb as a box of rocks)
▸ adjective: (simile, slang) Very stupid.
▸ Words similar to dumb as a box of rocks
▸ Usage examples for dumb as a box of rocks
▸ Idioms related to dumb as a box of rocks
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▸ Popular nouns described by dumb as a box of rocks
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▸ adjective: (simile, slang) Very stupid.
Similar:
dumb as a rock,
dumb as a doorknob,
dumb as an ox,
dumb as nails,
dumb as a brick,
dumb like a fox,
dumb as a stump,
thick as a plank,
thick as a brick,
thick as two short planks,
more...
▸ Words similar to dumb as a box of rocks
▸ Usage examples for dumb as a box of rocks
▸ Idioms related to dumb as a box of rocks
▸ Wikipedia articles (New!)
▸ Popular nouns described by dumb as a box of rocks
▸ Words that often appear near dumb as a box of rocks
▸ Rhymes of dumb as a box of rocks
▸ Invented words related to dumb as a box of rocks