poisonous

poi-son-ous · adjective

imported

Definitions

adjective

  1. 1.

    Containing or producing poison; capable of causing illness or death if ingested, inhaled, or touched.

  2. 2.

    (Of an animal) Producing poison for use in attacking prey or defending itself.

  3. 3.

    (Figurative) Extremely unpleasant, malicious, or harmful.

Related words

Antonyms: harmless, nontoxic, safe
See also: deadly, poison, toxic, venomous
Synonyms: deadly, harmful, toxic, venomous

Etymology

From Old French poison (meaning "a drink, especially a medical drink") + -ous, ultimately from Latin potio meaning "drink."