be (as) solid as a rock
be (as) solid as a rock
To be stable, sturdy, and reliable. They've been married for 50 years, so their relationship has to be solid as a rock. That table must be as solid as a rock to withstand the ceiling collapse with hardly a scratch.
See also: rock, solid
Farlex Dictionary of Idioms.
- (as) solid as a rock
- solid
- solid as a rock
- sound as a dollar
- (as) sound as a dollar
- do (one) a solid
- be (as) sound as a dollar
- firm up
- fussock
- (as) steady as a rock