strictly

English edit

strict +‎ -ly

strictly (comparative strictlier or more strictly, superlative strictliest or most strictly)

In a strict manner.
He adhered strictly to the diet his doctor prescribed.
- 2012, David Walliams [pseudonym; David Edward Williams], Ratburger, London: HarperCollins Children’s Books, →ISBN:
  “If any pupil considers it acceptable to bring a pet into this school, let me tell you it is forbidden. Strictly forbidden!” pronounced the headmaster from the front of the class.
In a limited manner; only
- 1943 November – 1944 February (date written; published 1945 August 17), George Orwell [pseudonym; Eric Arthur Blair], Animal Farm […], London: Secker & Warburg, published May 1962, →OCLC:
  This work was strictly voluntary, but any animal who absented himself from it would have his rations reduced by half.
In a narrow or limited sense.
That term refers strictly to smaller birds.
(mathematics) In a manner that applies to every member of a set or every interval of a function

in a strict manner

in a limited manner

in a narrow or limited sense