無敵って英語でなんて言うの？

1. Supremely = of the highest rank
2. Undefeatable = Unable to be defeated. "France became for a long time an undefeatable force."
3. Invincible = too powerful to be defeated or overcome. "An invincible warrior."

"Invincible" is usually used for a character that is "cool", "unbeatable" and "untouchable".

Example sentence:
"I feel invincible today, nothing can get me down."

Invincible (adjective)
In (prefix) - when added to adjectives it means not.
vincible (adjective) - this means to be overcome or to be beaten
Therefore, 'invincible' means that someone or something cannot be overcome or beaten.

Example
A: He hasn't lost a game all season.
B: He is invincible.
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Unconquerable (adjective)
Un (prefix) - when added to adjectives it means not.
conquerable (adjective) - refers to being overcome
Therefore, 'unconquerable' means that someone is not able to be overcome

Example
A: He hasn't taken a hit in the movie
B: He is unconquerable.
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Note: Invincible and unconquerable are similar in meaning.
They can, therefore, be used interchangeably

These are both words that also mean invincible and can not be beaten.

Both the words 'invincible" and 'indestructible' mean that person is too strong or powerful to be defeated or overcome.
Superheros are usually seen as invincible.

To imply that someone is the best at something, adding est to the adverb works in many examples. Strongest, Smartest, Oldest, Newest. Weakest.