From manager + -less. <span class="searchmatch">managerless</span> (not comparable) Without a manager. 1961, V. S. Naipaul, A House for Mr Biswas, Vintage International, published 2001...
want to speak to the manager haircut line manager managerdom managerese <span class="searchmatch">managerless</span> managerly managership micro manager micromanager middle manager momager...