obligate obligate /ˈɑːbləˌgeɪt/

adjective

1. (biology) restricted to a particular condition of life  ( obligate )
   (biology) restricted to a particular condition of life
    An obligate anaerobe can survive only in the absence of oxygen
   an obligate anaerobe can survive only in the absence of oxygen
   

verb

1. Bind by an obligation; cause to be indebted  ( obligate , bind , hold , oblige )
   bind by an obligation; cause to be indebted
    He's held by a contract
   He's held by a contract
    I'll hold you by your promise
   I'll hold you by your promise
   
2. Commit in order to fulfill an obligation  ( obligate )
   commit in order to fulfill an obligation
    Obligate money
   obligate money
   
3. Force somebody to do something  ( obligate , oblige , compel )
   force somebody to do something
    We compel all students to fill out this form
   We compel all students to fill out this form