Synonyms for toxic

Most common

poisonous · venomous · deadly · toxicant

All synonyms

Adjective

Antonyms

non-poisonous, non-toxic, innocuous

All antonyms of toxic →

Definitions

1. adj. 1

   Having a chemical nature that is harmful to health or lethal if consumed or otherwise entering into the body in sufficient quantities.

   Tobacco smoke contains many toxic substances.

Related words

Word family

toxication toxicity toxicness toxin toxicant

Phrases

toxic hellstew toxic asset toxic oil syndrome toxic syndrome

Example sentences

• deadly Sloth or laziness is one of the seven deadly sins.
• poisonous It was once believed that tomatoes were poisonous.
• venomous You need to hold this venomous fish from underneath.

Popularity over time

Use in printed books, per decade from 1850 to 2019.

By length

6 letters

deadly²

8 letters

venomous³, virulent³, toxicant

9 letters

poisonous³

The small number after each word is its number of syllables (deadly² = 2 syllables).

In other languages

Français

toxique

Italiano

tossico

Català

tòxic