Meaning
- a very secretive and close relationship between people.
- people as thick as thieves usually share confidences, are great friends, and spend much time together.
- intimate
- closely allied
- familiar
- sharing confidences
- people with a close association excluding the general population.
Examples in Sentences
- They remained as thick as thieves for several weeks. This made us curious to know what they were doing.
- The foal appears great, and since it is the second to be born here in the space of a week, we're confident the two new arrivals will be as thick as thieves. ...
