Search Dictionary
Definition of amoeba

amoeba

/əˈmiːbə/
a · moe · ba

Adverb:amoebically
•
Plural:amoebas
•
Adjective:amoebic
JUMP TO:

amoeba Lexical Profile

amoeba Game Scores & Validity

• noun

1

A single-celled, microscopic organism (protozoan) characterized by its lack of a definite shape and its ability to move and feed by extending temporary projections called pseudopods, commonly found in aquatic and damp environments.

Example

"Under the microscope, the students watched the amoeba slowly change its shape to engulf a smaller particle of food."


2

A thing or entity that lacks a fixed structure or organization and frequently changes its form, boundaries, or strategy.

Example

"Over the years, the massive corporation had grown into an unwieldy amoeba, constantly restructuring and haphazardly absorbing smaller startups."

Synonyms
View all synonyms for amoeba

• Rhymes for amoeba

Word Origin & Etymology

From Modern Latin 'amoeba', borrowed from Greek 'amoibē' meaning 'change' or 'alteration', referring to the organism's constantly shifting and unstructured physical shape.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Amoeba. In Wordmom Dictionary. Retrieved Oct 12, 2026, from https://wordmom.com/dictionary/amoeba
Wordmom is your complete guide to the English language. Whether you're looking up a definition, searching for the perfect synonym, or unscrambling letters for a word game, our comprehensive suite of tools is designed to help you find the right word, every time.
Dictionary & Reference
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE®, Words With Friends®, Wordle®, and related game titles or tournament codes are registered trademarks of their respective owners (including Hasbro, Mattel, Zynga, The New York Times, NASPA, and WESPA). Wordmom is an independent reference utility for educational and entertainment purposes, not affiliated with, sponsored, or endorsed by these entities. All game names are referenced strictly under nominative fair use for compatibility.