obligate

Commit by contract

Obligate means to bind by duty, contract, or necessity: The agreement obligates both parties to confidentiality.

Often used in passive: I felt obligated to attend.

As an adjective in biology, obligate describes organisms restricted to a particular condition: an obligate parasite cannot survive without a host, an obligate carnivore must eat meat.

necessity

require

To make necessary

imperative · compulsory · mandatory · indispensable · requisite · necessary · needed · unavoidable · inescapable · nonnegotiable

compel

force

Strength or compulsion

constrain · bind · compel · mandate · impose · enjoin · charge · commit · pledge · duty-bound

moral

duty

Required moral task

oath · pledge · conscience · ethics · principle · integrity · devotion · allegiance · loyalty · fealty

biology

symbiosis

Interspecies biological interdependence

anaerobe · aerobe · carnivore · dependent · specialized · adaptation · organism · species · ecological · survival

legal

contract

Enforceable written agreement

compliance · statutory · contractual · covenant · agreement · stipulation · clause · provision · terms · conditions

Categories
Opposites
necessity/compulsion

obligatefree

Without payment or restriction

release · permit · allow · liberate · exempt

BIOLOGICAL REQUIREMENT (technical)

obligatefacultative

Capable but not obligated

optional · opportunistic · flexible · generalist · adaptive

binding/constraint

obligaterelease

To let go

free · discharge · relieve · unbind · disoblige

Phrases
Family

obligation, obligatory, obligated, obligations, obligating, obligates

Familiarity
Top 200,000
Profile
Used worldwide · Timeless · Abstract · Rated G