Thesaurus.com
synonyms
  • definitions

thick as thieves

see definition of thick as thieves
  • as inhand in glove
  • as inclose
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 thick as thieves

adj in close cooperation
  • arm in arm
  • hand and glove
  • hand in hand
  • thick
  • thick as thieves
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.