noun, slang ·Common ·High school level

Definitions

Noun

1. 1
   A member of the genus Amoeba of unicellular protozoa that moves by means of temporary projections called pseudopodia.
2. 2
   naked freshwater or marine or parasitic protozoa that form temporary pseudopods for feeding and locomotion wordnet
3. 3
   Any eukaryote that exhibits amoeboid movement, having the ability to change its shape.
4. 4
   Any member of the class or phylum Sarcodina, a polyphyletic grouping into which diverse amoeboids were placed. historical
5. 5
   A graph of the real part of the logarithms of a polynomial equation in complex numbers.

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6. 6
   An asexual. slang

Synonyms

All synonyms

adenovirusaerobeaerobic bacteriaamebaamebaamebic

Antonyms

All antonyms

mastigote

Example

More examples

"This rare brain-eating amoeba travels up the nose to the brain and starts eating it."

Etymology

From Ancient Greek ἀμοιβή (amoibḗ, “change”), referring to constantly changing shape of these organisms.

Related phrases

amoebic dysenterycomplex number

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.