Amoeba

/əˈmiː.bə/

Meaning & Definition

noun

A single-celled organism that typically has the ability to change shape and move by extending pseudopodia; it is part of the phylum Amoebozoa.

Under the microscope, we observed an amoeba gliding through the water.

A cellular organism characterized by its irregular shape and ability to move and engulf food through processes such as phagocytosis.

Researchers studied the amoeba's behavior in different environmental conditions.

Any of various similar single-celled organisms, especially those that are capable of causing disease.

Certain species of amoeba can lead to serious health issues in humans.

A term sometimes used metaphorically to describe an organism or entity that lacks structure or forms that are constantly changing.

The team was compared to an amoeba, constantly shifting and adapting to new challenges.

Greek amoibe, meaning 'change' or 'alteration'.

amoeba-like

Referring to something that is shapeless or constantly changing.

social amoeba

A person who passively follows the crowd without independent thought.

pseudopod

A temporary protrusion of the cytoplasm that amoebas use for movement and feeding.

protozoan

A single-celled organism that can be either free-living or parasitic.

Someone who is indecisive or lacks motivation.

Stop being an amoeba and make a decision!

Referring to someone who blends into the background.

At the party, she was such an amoeba, barely noticeable.