derank

verb6

1. •
   To strip of rank; demote.

   • The uproarious laughter coming from the back of our truck provided small consolation although one kind hearted signaller did point out that it was an honour to be deranked by such a famous General. — 1989
2. •
   To demote; to give a lower position within a hierarchy.

   • If they do not qualify within thirty days, they are to be so notified and deranked to their former position. — 1913
3. •
   To lower or remove achievements and skill level.
4. •
   To lower or remove an official ranking or accreditation.

   • Isn't there a time to justify a species' gradual deranking from the top of the priority list in favour of another at the bottom? — 1987
5. •
   To lower the status or importance of

   • An intriguing reconstruction of the liberal arts follows, designed for the age of democracy and technology, deranking but retaining the classics and humanizing the study of science. — 1973
6. •
   To inflect into a form that cannot be used in independent declarative clauses.

   • In normal English speech one usually deranks "he should go" to "to go", as in "I told him where to go."