- hard to defeat; "an unbeatable ball team"
- invincible: incapable of being overcome or subdued; "an invincible army"; "her invincible spirit"
- (The Unbeatables) The Unbeatables is a Chinese drama serial produced by Singapore's Mandarin channel, Channel 8.
- (unbeatableness) The quality of being unbeatable, unbeatability
- A colloquialism for a contract, which can not be defeated by any means.