[ verb ob-li-geyt; adjective ob-li-git, -geyt ]
/ verb ˈɒb lɪˌgeɪt; adjective ˈɒb lɪ gɪt, -ˌgeɪt /
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verb (used with object), ob·li·gat·ed, ob·li·gat·ing.
to bind or oblige morally or legally: to obligate oneself to purchase a building.
to pledge, commit, or bind (funds, property, etc.) to meet an obligation.
morally or legally bound; obliged; constrained.
Biology. restricted to a particular condition of life, as certain organisms that can survive only in the absence of oxygen (opposed to facultative): obligate anaerobe.
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Origin of obligate
OTHER WORDS FROM obligateob·li·ga·ble [ob-li-guh-buhl], /ˈɒb lɪ gə bəl/, adjectiveob·li·ga·tor, nounpre·ob·li·gate, verb (used with object), pre·ob·li·gat·ed, pre·ob·li·gat·ing.re·ob·li·gate, verb (used with object), re·ob·li·gat·ed, re·ob·li·gat·ing.
WORDS THAT MAY BE CONFUSED WITH obligateobligate , oblige
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use obligate in a sentence
I think Israel is obligated to take the Palestinians as part of their responsibility.“Everyone is impressed by Israeli vaccination, but I don’t think we’re a success story”|Lindsay Muscato|January 22, 2021|MIT Technology Review
The move prompted Rotten Tomatoes — which is owned by Fandango, a subsidiary of Comcast — to bolster its audience-review requirements, obligating those who rate a movie to verify that they bought a ticket to it.An alleged Saudi troll campaign is targeting a movie about the murder of Jamal Khashoggi|Steven Zeitchik|January 21, 2021|Washington Post
In 2012, the Hawaii Supreme Court ruled that the state is obligated to sufficiently fund the department, and it has fared much better since then.The Government Promised to Return Ancestral Hawaiian Land, Then Never Finished the Job|by Rob Perez, Honolulu Star-Advertiser, and Agnel Philip, ProPublica|December 19, 2020|ProPublica
The Council isn’t obligated to side with public commenters during a meeting.Politics Report: What the Dramatic Council President Contest Taught Us|Scott Lewis and Andrew Keatts|December 12, 2020|Voice of San Diego
Under state law, anything below the high wash of the waves during the time of the year that the ocean is highest is public land, and officials are obligated to protect and preserve it.How Famous Surfers and Wealthy Homeowners Are Endangering Hawaii’s Beaches|by Sophie Cocke, Honolulu Star-Advertiser|December 5, 2020|ProPublica
British Dictionary definitions for obligate
/ (ˈɒblɪˌɡeɪt) /
to compel, constrain, or oblige morally or legally
(in the US) to bind (property, funds, etc) as security
compelled, bound, or restricted
biology able to exist under only one set of environmental conditionsan obligate parasite cannot live independently of its host Compare facultative (def. 4)
Derived forms of obligateobligable, adjectiveobligative, adjectiveobligator, noun
Word Origin for obligate
C16: from Latin obligāre to oblige
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for obligate
[ ŏb′lĭ-gĭt, -gāt′ ]
Capable of existing only in a particular environment or by assuming a particular role. An obligate aerobe, such as certain bacteria, can live only in the presence of oxygen. An obligate parasite cannot survive independently of its host. Compare facultative.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.