obligate
UK /ˈɒb.lɪˌɡeɪt/ · US /ˈɑ.blɪˌɡeɪt/ verb, adjective, noun
Forms obligates obligating obligated
- verb (transitive) To bind, compel, constrain, or oblige by a social, legal, or moral tie.
- verb (transitive, Canada, US, Scotland) To cause to be grateful or indebted; to oblige.
- verb (transitive, Canada, US, Scotland) To commit (money, for example) in order to fulfill an obligation.
- adjective (biology) Requiring a (specified) way of life, habitat, etc.
- adjective Indispensable; essential; necessary; obligatory; mandatory; unavoidably invoked. “In addition to being the obligate food source for monarch caterpillars, milkweeds also provide abundant nectar for the adult butterflies.”
- adjective (obsolete) Bound by oath, law or duty.
- noun (biology) An obligate organism.
Synonyms
also: force: Synonyms binding compulsatory compulsory decretory forced imperative involuntary mandatory nonoptional obligatory required unbewised unvoluntary compel oblige bind hold
Antonyms
discretionary elective facultative free noncompulsory nonmandatory nonobligate nonobligatory nonrequired nonrequisite optional optionary
Etymology
First attested in 1533; borrowed from Latin obligātus, perfect passive participle of obligō, see -ate (verb-forming suffix). Doublet of oblige, taken through French.
Partly inherited from Middle English obligat(e) (“bound (by any obligation), obliged”), partly directly borrowed from Latin obligātus, see Etymology 1, -ate (adjective-forming suffix) and -ate (noun-forming suffix) for more.
Webster’s 1913
- verb To bring or place under obligation, moral or legal; to hold by a constraining motive. "Obligated by a sense of duty." Proudfit.
- verb To bind or firmly hold to an act; to compel; to constrain; to bind to any act of duty or courtesy by a formal pledge.
Etymology [L. obligatus, p.p. of obligare. See Oblige.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “obligate”, CC BY-SA 4.0. Details