thick as thieves

*thick as thieves

Cliché very close-knit; friendly; allied. (Thick = close and loyal. *Also: as ~.) Mary, Tom, and Sally are as thick as thieves. They go everywhere together. Those two families are thick as thieves.

thick as thieves

Intimate, closely allied, as in The sisters-in-law are thick as thieves. This term uses thick in the sense of "intimate," a usage that is obsolete except in this simile. [Early 1800s]

Common Names:

Name	Pronounced	Usage
Washburn	['wɔʃbɜ:n]
Gilead	-	Biblical
Zosime	-	Ancient Greek
Noelia	-	Spanish
Seaghdh	-	Scottish
Ortega	[ɔ:'teigə]