Wordnet 3.0
VERB (2)
1. 
 set off quickly, usually with success; 
- Example: "The freshman jumped off to a good start in his math class"2. 
 jump down from an elevated point; 
- Example: "the parachutist didn't want to jump"- Example: "every year, hundreds of people jump off the Golden Gate bridge"- Example: "the widow leapt into the funeral pyre"[syn: jump, leap, jump off]
WordNet (r) 3.0 (2006):
jump off
    v 1: set off quickly, usually with success; "The freshman jumped
         off to a good start in his math class"
    2: jump down from an elevated point; "the parachutist didn't
       want to jump"; "every year, hundreds of people jump off the
       Golden Gate bridge"; "the widow leapt into the funeral pyre"
       [syn: jump, leap, jump off]