inquorate

adjective

in·​quo·​rate in-ˈkwȯr-ˌāt 

: not having a sufficient number of officers or members present to transact business : lacking a quorum

an inquorate assembly

… an earlier attempt to vote on the report … failed after the meeting was found to be inquorate.

—Tim Beardsley

Word History

First Known Use

1970, in the meaning defined above