English edit

Etymology edit

research +‎ -ful

Adjective edit

researchful (comparative more researchful, superlative most researchful)

  1. Making researches; inquisitive.
    • c. 1810-1820, Samuel Taylor Coleridge, Notes on Troilus and Cressida
      Pity that the researchful notary has not either told us in what century, and of what history, he was a writer, or been simply content to depose, that Lollius, if a writer of that name existed at all, was a somewhat somewhere.