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