unrepeatable

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

1. not able or fit to be repeated or quoted
- what he said was funny but unquotable
• Syn:
unquotable
• Ant:
quotable (for: unquotable), repeatable
2. unique
- "dogs and mice and flies are as unrepeatable as men are"- Theodosius Dobzhansky
• Similar to:
unreproducible, irreproducible