Simple Definition of ego

from our Learner's Dictionary

ego

noun

plural egos
1
: the opinion that you have about yourself
Winning was good for our egos. = Winning boosted our egos. [=winning made us proud of ourselves]
He has a big/inflated/enormous ego. [=he has an overly high opinion of himself]
She has a fragile ego. [=she lacks confidence in herself]
a bruised ego [=a feeling that you are not as important as you thought you were]
a healthy/strong ego
2
psychology : a part of the mind that senses and adapts to the real world

Cite this Entry

“Ego.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/ego. Accessed 18 Apr. 2026.

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