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organism

living thing / biological entity

/ˈɔː.ɡən.ɪ.zəm/

[C] Countable
pl: organisms

In a biological sense, the word conveys a complete, self-sustaining unit of life. It is more clinical and inclusive than "animal" or "plant," often used when referring to things that are barely visible (like bacteria) or structurally complex (like mammals). When used metaphorically, it suggests an organic, interdependent quality where various parts work together seamlessly for survival or operation. This implies a level of adaptability and internal coordination that a mere "machine" or "organization" lacks. It typically carries a neutral to positive connotation, emphasizing the miracle of life or the efficiency of a complex system.

💬Casual Conversation

🎬Tuesday afternoon; Victoria is in a board meeting while Mr. Sterling is at his private gym.
Mr. Sterling

The firm isn't a company, Victoria. It's a living organism.

Mr. Sterling
Victoria
Victoria

Right. Well this 'organism' is bleeding cash because of your new retreat policy.

💡
Mr. Sterling uses the word 'organism' as a philosophical metaphor for the company structure. Victoria counters his abstraction with the idiom 'bleeding cash', meaning losing money rapidly, highlighting their dynamic of eccentric idealism versus harsh corporate reality.

Meanings

Nounliving thing

An individual animal, plant, or single-celled life form.

"The ocean is home to a vast array of microscopic organisms."

Nounbiological entity

A segmented or structured system that functions as a complex whole.

"The city operates like a giant organism, with transport systems acting as its arteries."

Collocations & Compounds

living organism

Noun collocation: any individual biological entity

Every living organism requires a source of energy to survive.

marine organism

Noun collocation: a biological entity that lives in the ocean

The coral reef supports a diverse array of marine organism species.

social organism

Noun collocation: a structured group or society acting as a single unit

The colony behaves as a social organism to ensure the survival of the queen.

complex organism

Noun collocation: a life form with highly specialized organs and systems

Humans are considered a complex organism due to their intricate nervous system.

study an organism

Verb collocation: to analyze the biological functions of a life form

Scientists spent years trying to study an organism found in the deep sea vents.

Etymology

Derived from the Greek word organon, meaning instrument or tool, combined with the suffix -ismos, denoting a process or state. It entered English in the 18th century, initially referring to the organized structure of a living being before evolving into the modern biological term for an individual life form.

Related Words

Last Updated: June 8, 2026Report an Error