Thesaurus.com
synonyms
  • definitions

solid as a rock

  • as insecure
  • as inset
  • as instable
  • as insteady
  • as inwell
Relevance ranks synonyms and suggests the best matches based on how closely a synonym’s sense matches the sense you selected.
Relevance
A-Z
Length
-
+

Synonyms for solid as a rock

adj fastened, stable
  • solid
  • strong
  • sure
  • adjusted
  • anchored
  • bound
  • fast
  • firm
  • fixed
  • fortified
  • iron
  • locked
  • nailed
  • set
  • sound
  • staunch
  • steady
  • buttoned down
  • immovable
  • safe and sound
  • solid as a rock
  • tenacious
  • tight

Antonyms for solid as a rock

  • soft
  • broken
  • changeable
  • flexible
  • impermanent
  • indefinite
  • irresolute
  • loose
  • movable
  • unfixed
  • unstable
  • unsteady
  • weak
  • endangered
  • insecure
  • moving
  • uncertain
  • undecided
  • unfastened
  • unprotected
  • unsafe
  • unsecure
  • unsure
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

More words related to solid as a rock

secure

adjective. fastened, stable

set

adjective. decided

stable

adjective. constant, fixed; resistant

steady

adjective. stable, fixed

well

adjective. healthy
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.