WordWeb Online

1. Having the requisite qualities or resources to meet a task
   "she had adequate training"; "her training was adequate"; "she was adequate to the job";
   - equal
    
2. Sufficient for the purpose
   "an adequate income"; "the food was adequate";
   - enough, nuff [non-standard]
    
3. About average; acceptable
   "more than adequate as a secretary";
   - passable, fair to middling, tolerable

See also: adequacy, adequate to, adequateness, capable, competent, equal to, satisfactory, sufficient, up to

Antonym: inadequate

Encyclopedia: Adequate