require

/ri-ˈkwī(-ə)r/

Middle English requeren, from Anglo-French requere, from Vulgar Latin *requaerere to seek for, need, require, alteration of Latin requirere, from re- + quaerere to seek, ask

verb

  1. to claim or ask for by right and authority

  2. request

  3. to call for as suitable or appropriate

demand claim require exact mean to ask or call for something as due or as necessary. demand implies peremptoriness and insistence and often the right to make requests that are to be regarded as commands. claim implies a demand for the delivery or concession of something due as one's own or one's right.