I. ˈtäksik, -sēk adjective
Etymology: Late Latin toxicus, from Latin toxicum poison, from Greek toxikon ( pharmakon ) arrow (poison), from toxikon, neuter of toxikos of a bow, from toxon bow, arrow (probably from the source of Latin taxus yew) + -ikos -ic
1. : of, relating to, or caused by a poison or toxin
toxic drugs
a toxic effect
2. : affected by a poison or toxin
a toxic patient
3. : acting or likely to act as a poison : poisonous
eggs are toxic to a hypersensitive or sensitized person
II. noun
( -s )
Etymology: French toxique, from Latin toxicum poison
: a toxic substance : something poisonous