among

be first among equals

to officially be on the same level as other members in a group, but in fact have slightly more responsibility or be slightly more important. The chairman of the joint chiefs of staff was always considered first among equals.

See also: equal, first

put/set the cat among the pigeons (British & Australian)

to do or say something that causes trouble and makes a lot of people angry or worried. Tell them all they've got to work on Saturday. That should set the cat among the pigeons.

See also: cat, pigeon, set

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first among equals

the best or most important of a similar group. The solo violin was first among equals in the midst of all the stringed instruments. Because she is the chairman of the committee, she is, of course, first among equals.

See also: equal, first