Synonyms of organism
creatureDictionary • Not all chemicals present in living organisms are harmless.
creature • Many cultures believe that every living creature possesses a spirit.
being • beings from outer space
thing • The Earth is mainly made of iron and silicon and things like that.
animal • He was attacked by wild animals.
beast • the threats our ancestors faced from wild beasts
entity • the concept of the earth as a living entity
critter (US, dialect)
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animalAn animal is a living creature such as a dog, lion, or rabbit, rather than a bird, fish, insect, or human being.
• He was attacked by wild animals.
beastYou can refer to an animal as a beast, especially if it is a large, dangerous, or unusual one.
• the threats our ancestors faced from wild beasts
beingYou can refer to any real or imaginary creature as a being.
• beings from outer space
Thesaurus for organism from the Collins English Thesaurus
any living biological entity, such as an animal, plant, fungus, or bacterium