(as) thick as thieves

(as) thick as thieves

Having a close, intimate friendship or alliance. Anna and Beth are together all the time these days—they're as thick as thieves. The guys who work in the warehouse are thick as thieves. They don't really socialize with anyone else in the company.

See also: thick, thief

*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.

See also: thick, thief

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 This term uses thick in the sense of "intimate," a usage that is obsolete except in this simile.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]

See also: thick, thief

thick as thieves

If two or more people are as thick as thieves, they are very friendly with each other. Jones and Cook had met at the age of ten and were as thick as thieves. Grant went to school with Maloney, the other lawyer in town. They're thick as thieves.

See also: thick, thief

thick as thieves

(of two or more people) very close or friendly; sharing secrets. informal

See also: thick, thief

(as) thick as ˈthieves (with somebody)

(informal) (of two or more people) very friendly with each other, especially in a way that makes other people suspicious: Those two are as thick as thieves — they go everywhere together. OPPOSITE: be at daggers drawn

See also: thick, thief