[ded set for 1, 2; ded set for 3] 
| 1. | firmly decided or determined; resolved: His family was dead set against the marriage. |
| 2. | a serious or determined attempt; firm effort: He made a dead set at winning the championship. |
| 3. | Hunting. the stiff posture assumed by a hunting dog in indicating the presence and location of game. |
| dead set | |
adjective | |
| fixed in your purpose; "bent on going to the theater"; "dead set against intervening"; "out to win every event" [syn: bent] |