adjective
inimitable
in-IM-ih-tuh-bul/ɪˈnɪmɪtəbl/
So distinctive or excellent that it cannot be copied.
The original sculpture's inimitable form eludes the other sculptors' attempts to copy it.

Etymology
The pieces mean “not capable of being copied.” Applied as praise, this presents someone’s excellence or distinctive qualities as beyond what imitation can reproduce.
In context
" The inimitable Belton deferentially insinuated that his master was right in his conjecture,
More examples
- Even his closest friends cannot reproduce his inimitable laugh.
- The chef's inimitable style turns simple ingredients into memorable meals.
- He greets every setback with his own inimitable humor.
Forms
inimitable
inimitably adverb — In a distinctive way others cannot copy.
Similar words
- unique
- Means one of a kind, without necessarily implying excellence.
- matchless
- Emphasizes having no equal in quality rather than resisting imitation.
- distinctive
- Emphasizes recognizable differences, not the impossibility of copying them.