(idiomatic, derogatory) A group of two or more people, in a workplace or other social environment, who routinely express considerable esteem and support for one another, sometimes to the point of exaggeration or pretense.

An office in England dating from the 15th century (William IV when Duke of Clarence was the last holder until it was assumed by Elizabeth II in 1964).

One who appears important but is not.

plural of mutual admiration society

(US, military, nautical) A flag officer in the United States Navy, United States Coast Guard, National Oceanic and Atmospheric Administration Commissioned Corps, or Public Health Service Commissioned Corps of a grade superior to a rear admiral (lower half) and junior to a vice admiral. A rear admiral (upper half) is equal in grade or rank to an Army, Marine Corps, or Air Force major general. A rear admiral (upper half) wears a two star insignia on most uniforms and a gold stripe above a broad gold stripe on the sleeve of certain dress uniforms.

(US, military, nautical) A commissioned officer in the United States Navy, Coast Guard, NOAA Corps, or PHS Corps of a grade superior to a captain and junior to a rear admiral (upper half). A rear admiral (lower half) is equal in grade or rank to an Army, Marine Corps, or Air Force brigadier general.

Misspelling of rear admiral (upper half).

Alternative form of rear admiral (lower half)

plural of admiralship

The state, property, or office of being an admiral.