That lacks the number sufficient to form a quorum(adjective)
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Use "inquorate" in a sentence
"The initial suspension of Madisha was apparently unconstitutional, having been decided by the executive at an inquorate meeting."
"Dr Evan Harris, the Liberal Democrat MP for Oxford West and Abingdon, said the six resignations from the government's advisory council on the misuse of drugs had left it inquorate and legally unable to issue formal advice to the home secretary."
"So, by declaring an interest, I thus made the body inquorate, and they could not reach a view."