obligate

1 of 2

verb

ob·​li·​gate ˈä-blə-ˌgāt How to pronounce obligate (audio)
obligated; obligating

transitive verb

1
: to bind legally or morally : constrain
You are obligated to repay the loan.
2
: to commit (something, such as funds) to meet an obligation
funds obligated for new projects

obligate

2 of 2

adjective

ob·​li·​gate ˈä-bli-gət How to pronounce obligate (audio) -blə-ˌgāt How to pronounce obligate (audio)
1
: restricted to one particularly characteristic mode of life
an obligate parasite
2
: biologically essential for survival
obligate mutualism
obligately adverb

Examples of obligate in a Sentence

Verb The contract obligates the firm to complete the work in six weeks. the problem is of your own making, so don't think that you can obligate me to help
Recent Examples on the Web
Verb
If Glendale's numbers for these indices continue to far exceed We Energies' averages, the utility is obligated to address the issues, according to the agreement. Claudia Levens, Journal Sentinel, 11 Apr. 2024 As a driver, Nichols was obligated to run errands and to get a job to help support her small household. Barbara Spindel, The Christian Science Monitor, 11 Apr. 2024 Muslims are also obligated to pay Zakat al-Fitr, a mandatory charity of food that must be given before the Eid prayer. Abigail Beck, The Arizona Republic, 9 Apr. 2024 Under the Endangered Species Act and the Sikes Act, the Department of Defense is legally obligated to protect the threatened and endangered species on its lands. Jen Guyton, Smithsonian Magazine, 3 Apr. 2024 Normally the management contract dictates when the manager is obligated to attend. Kelly G. Richardson, San Diego Union-Tribune, 19 Mar. 2024 Those who are obligated to fast are healthy individuals of age. The Enquirer, 7 Mar. 2024 These quasi-public entities—under government conservatorship since the subprime-mortgage meltdown—have congressional charters obligating them to benefit low-income households. Mya Frazier, Harper's Magazine, 26 Feb. 2024 If a foreign power attacked Hawaii – say the US Navy’s base at Pearl Harbor or the headquarters of the Indo-Pacific Command northwest of Honolulu – the members of the North Atlantic Treaty Organization would not be obligated to rise to the Aloha State’s defense. Brad Lendon, CNN, 30 Mar. 2024
Adjective
As obligate scavengers, vultures survive almost exclusively on what is already dead. Meera Subramanian, The New Yorker, 31 Jan. 2024 Nothing in these Official Rules shall obligate Sponsor to publish or otherwise use any entry submitted in connection with this Contest. TIME.com, 3 July 2023 For evolutionary biologists, that posed a mystery: How could a new species of obligate social parasites evolve from its host species? Viviane Callier, Quanta Magazine, 8 May 2023 Schools have until September 2024 to obligate ARP ESSER III funding. Trisha Powell Crain | Tcrain@al.com, al, 26 Jan. 2023 Such a relationship between species is called obligate parasitism, because the parasites cannot survive on their own. Viviane Callier, Quanta Magazine, 8 May 2023 The resolutions passed Tuesday obligate the city to work to resolve outstanding issues, which include: Norfolk’s pledge to secure state funding for at least half of the $931 million in local funding required by the Army Corps over 10 years. Jim Morrison, Washington Post, 26 Apr. 2023 Heuchera americana is an obligate denizen of eastern woodsy sites — shady and a bit damp in spring. Paul Cappiello, The Courier-Journal, 14 Apr. 2023 Cats are obligate carnivores. Dallas News, 22 Dec. 2022

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'obligate.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Verb

borrowed from Latin obligātus, past participle of obligāre "to tie up, restrain by tying, place under a legal or moral constraint" — more at oblige

Adjective

borrowed from German obligat "necessary, unavoidable," borrowed from Latin obligātus "under an obligation," from past participle of obligāre "to tie up, restrain by tying, place under a legal or moral constraint" — more at oblige

Note: In biological sense apparently adapted from use of German obligat by the mycologist Heinrich Anton de Bary (1831-88) in Vergleichende Morphologie und Biologie der Pilze, Mycetozoen und Bacterien (Leipzig, 1884), p. 382 ff.

First Known Use

Verb

1533, in the meaning defined at sense 1

Adjective

1887, in the meaning defined at sense 1

Time Traveler
The first known use of obligate was in 1533

Dictionary Entries Near obligate

Cite this Entry

“Obligate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/obligate. Accessed 18 Apr. 2024.

Kids Definition

obligate

verb
ob·​li·​gate
ˈäb-lə-ˌgāt
obligated; obligating
: to make (someone) do something by law or because it is right

Medical Definition

obligate

adjective
ob·​li·​gate ˈäb-li-gət How to pronounce obligate (audio) -lə-ˌgāt How to pronounce obligate (audio)
1
: restricted to one particularly characteristic mode of life or way of functioning
the infant is an obligate nose breatherJournal of the American Medical Association
an obligate parasite
2
: biologically essential for survival
obligate parasitism
obligately adverb

Legal Definition

obligate

transitive verb
ob·​li·​gate ˈä-blə-ˌgāt How to pronounce obligate (audio)
obligated; obligating
1
: to bind legally or morally
was obligated to pay child support
2
: to commit (as funds or property) to meet or provide security for an obligation
obligatory adjective

More from Merriam-Webster on obligate

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