a long, thin, snake-like fish that lives in the sea or in rivers and is used for food, a situation or a person that is difficult to deal with or to understand

eel in the grass, like a slippery eel, as thin as an eel

Formal and Informal Expressions of eels

In different contexts, you can replace 'eels' with suitable alternatives. In a more formal setting, 'snake-like fish' is apt. In informal speech or writing, 'slippery customer' is a commonplace synonym.

eels: Explore its Definition & Usage

eels Definition

1a long, thin, snake-like fish that lives in the sea or in rivers and is used for food
2a situation or a person that is difficult to deal with or to understand

Using eels: Examples

Take a moment to familiarize yourself with how "eels" can be used in various situations through the following examples!

Example
The restaurant serves grilled eels.
Example
He's as slippery as an eel.
Example
The eel wriggled out of his grasp.

eels Synonyms and Antonyms

Synonyms for eels

fish
snake-like fish

Phrases with eels

eel in the grass
a hidden danger or threat
Example
Be careful, there might be an eel in the grass.
like a slippery eel
difficult to catch or pin down
Example
He avoided answering my questions like a slippery eel.
as thin as an eel
very thin
Example
After being sick for a week, she was as thin as an eel.

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Summary: eels in Brief

An 'eel' [iːlz] is a long, thin, snake-like fish that can be found in the sea or in rivers. It is often used for food. The term can also refer to a difficult situation or person, as in 'He's as slippery as an eel.'