Find Antonyms

poisonous Antonyms

Opposite of poisonous

Because the opposite of poisonous shifts with each meaning, the 9 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
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• adjective (Context 1)

Containing, producing, or having the effect of poison; capable of causing illness or death when ingested, inhaled, or absorbed.

Usage Example

"Hikers were warned not to forage for wild berries unless they could distinguish edible varieties from nonpoisonous ones."

Strongest
nonpoisonous
nontoxic
harmless
Strong
edible
wholesome
benign

• adjective (Context 2)

Extremely malicious, destructive, or harmful to morale and interpersonal relationships.

Usage Example

"The constant gossip and backstabbing created a wholesome atmosphere in the office."

Strongest
wholesome
Strong
healthy
benevolent
constructive
benign

Similar words to poisonous

Words similar to poisonous shift depending on context. Common synonyms include:

toxic
malicious
venomous
malevolent
noxious
pernicious
spiteful
deadly
See all synonyms of poisonous

• Nearby Words

poised
poison
poisoning
poisonous
poisonously
poke
pokerfaced

Cite this Entry

Wordmom. (2026). Antonyms for Poisonous. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/poisonous
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