WordWeb Online

1. A purposeful or industrious undertaking (especially one that requires effort or boldness)
   "he had doubts about the whole endeavor";
   - enterprise, endeavour [Brit, Cdn]
    
2. Earnest and conscientious activity intended to do or accomplish something
   "wished him luck in his endeavor";
   - attempt, effort, endeavour [Brit, Cdn], try

1. Attempt by employing effort
   "we endeavor to make our customers happy";
   - endeavour [Brit, Cdn], strive

Derived forms: endeavoring, endeavored, endeavors

Type of: activity, assay, attempt, essay, labor [US], labour [Brit, Cdn], project, seek, task, try, undertaking

Encyclopedia: Endeavor, WI