inexhaustible

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

1. that cannot be entirely consumed or used up (Freq. 1)
- an inexhaustible supply of coal
• Syn:
unlimited
• Similar to:
infinite
2. incapable of being entirely consumed or used up
- an inexhaustible supply of coal
• Ant:
exhaustible
• Similar to:
renewable, unfailing