1. Necessary for relief or supply
   "provided them with all things required";
   - needed, needful, requisite
    
2. Required by rule
   "required reading";
   - compulsory, mandatory

1. Consider obligatory; request and expect
   "We require our secretary to be on time";
   - ask, expect
    
2. Make someone do something
   "The situation required immediate action";
   - command
    
3. Have a requirement for
   "This piano requires the attention of a competent tuner";
   - want, need
    
4. Make essential as a condition or prerequisite
   "success usually requires hard work";
   - necessitate, ask, postulate, need, take, involve, call for, demand

See also: irremissible, necessary, obligatory

Type of: be, bear on, concern, demand, enjoin, exist, have to do with, order, pertain, refer, relate, say, tell, touch, touch on

Antonym: rid of

Encyclopedia: Required