invincible
Definitions
Too powerful to be defeated or overcome.
Incapable of being conquered or subdued.
Examples
The team felt invincible after winning ten games in a row.
No one is truly invincible, as everyone has their own vulnerabilities.
Synonyms
unconquerable indestructible invulnerable unbeatable insurmountable unassailable impregnable
Antonyms
vulnerable weak fragile beatable conquerable defenseless powerless