poisonously

comparative more poisonously · superlative most poisonously

1. In a poisonous manner.

   c. 1900, Thomas Edison, quotation The x-ray had affected poisonously my assistant, Mr. Dally.

   1 more example

   To Edward […] he was terrible, nerve-inflaming, poisonously asphyxiating. He sat rocking himself in the late Mr. Churchill's swing chair, smoking and twaddling.

   1918, W[illiam] B[abington] Maxwell, chapter XII, in The Mirror and the Lamp, Indianapolis, Ind.: The Bobbs-Merrill Company, →OCLC

2. obsoleteUsing poison.