Syllable CounterHaiku CheckerSyllable DictionaryRulesPoetryFacts
poisonous
adjective
See more 3-syllable adjectives

How to pronounce poisonous:

Definition of poisonous:

poisonous (adjective):
not safe to eat.
of or like a poison
destructive, harmful

Synonyms for poisonous:

baneful
deadly
fatal
harmful
inedible
lethal
mephitic
mortal
noxious
poison
poisoned
toxic
venomous
virulent

Antonyms for poisonous:

advantageous
aiding
anodyne
assisting
auspicious
beneficial
benevolent
benign
bland
favorable
favourable
friendly
gentle
good
guiltless
harmless
healthy
helpful
helping
hurtless
innocent
innocuous
innoxious
inoffensive
kind
Show 21 more
Other 3-syllable words

Here are some other common 3-syllable words.

See all 3-syllable words
Syllable Fun Fact
English compound words often have a primary stress on the first syllable, helping to distinguish them from phrases.

You, too, can become a syllable pro and wow your friends, family, and pets!

Learn more syllable fun facts


Syllable Counter is reader-supported. When you purchase something through one of our links, we may earn a small commission at no cost to you.

©2024 SyllableCounter.io