English edit

Etymology edit

zestless +‎ -ly

Adverb edit

zestlessly (comparative more zestlessly, superlative most zestlessly)

  1. In a zestless way.
    • 1945, Henry Morton Robinson, The Perfect Round:
      "Shrimps That Crawl in Chesapeake Bay, Served Up Fresh Here Every Day," he rhymed zestlessly from old habit.