WordWeb Online

1. Necessary for relief or supply
   - needed, needful, requisite
    
2. Required by rule
   "required reading"
   - compulsory, mandatory

1. Require as useful, just, or proper
   "success usually requires hard work"
   - necessitate, ask, postulate, need, take, involve, call for, demand
    
2. Consider obligatory; request and expect
   "We require our secretary to be on time"
   - ask, expect
    
3. Make someone do something
   - command
    
4. Have need of
   - want, need

See also: irremissible, necessary, obligatory, requirement, requisition

Type of: be, demand, enjoin, order, say, tell

Encyclopedia: Required