Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun arsenical

1 sense of arsenical

Sense 1
arsenical -- (a pesticide or drug containing arsenic)
       => pesticide -- (a chemical used to kill pests (as rodents or insects))
       => drug -- (a substance that is used as a medicine or narcotic)

Similarity of adj arsenical

1 sense of arsenical

Sense 1
arsenical -- (relating to or containing arsenic; "arsenic vapor")