unproductively

English

unproductively (comparative more unproductively, superlative most unproductively)

In an unproductive manner.
- 1817 (date written), [Jane Austen], chapter XX, in Persuasion; published in Northanger Abbey: And Persuasion. […], volumes (please specify |volume=III or IV), London: John Murray, […], 20 December 1817 (indicated as 1818), →OCLC:
  He did not come however. Anne sometimes fancied she discerned him at a distance, but he never came. The anxious interval wore away unproductively.