Part of speech: Adjective
restricted to a particular condition of life
Example: an obligate anaerobe can survive only in the absence of oxygen
Part of speech: Verb
commit in order to fulfill an obligation
Example: obligate money
Part of speech: Verb
force somebody to do something
Example: We compel all students to fill out this form
Part of speech: Verb
bind by an obligation
Example: cause to be indebted; He's held by a contract; I'll hold you by your promise