[hahr-dn] 
| 1. | to make hard or harder: to harden steel. |
| 2. | to make pitiless or unfeeling: to harden one's heart. |
| 3. | to make rigid or unyielding; stiffen: The rigors of poverty hardened his personality. |
| 4. | to strengthen or confirm, esp. with reference to character, intentions, feelings, etc.; reinforce. |
| 5. | to make hardy, robust, or capable of endurance; toughen. |
| 6. | Military. to reinforce the structure of (a military or strategic installation) to protect it from nuclear bombardment. |
| 7. | to become hard or harder. |
| 8. | to become pitiless or unfeeling. |
| 9. | to become rigid or unyielding; stiffen: His personality hardened over the years. |
| 10. | to become confirmed or strengthened: His resistance hardened. |
| 11. | to become inured or toughened: The troops hardened under constant fire. |
| 12. | Commerce. (of a market, prices, etc.)
|
[hahr-dnd] | 1. | made or become hard or harder. |
| 2. | pitiless; unfeeling. |
| 3. | firmly established or unlikely to change; inveterate: a hardened criminal. |
| 4. | inured; toughened: a hardened trooper. |
| 5. | rigid; unyielding: a hardened attitude. |
| 6. | (of a missile base) equipped to launch missiles from underground silos. |
| 7. | (of a missile) capable of being launched from an underground silo. |
| unhardened | |
adjective | |
| not brought to a proper consistency or hardness; "untempered mortar"; "untempered steel" [syn: untempered] [ant: hardened] |
dn