Definition of Obligate

1. Adjective. Restricted to a particular condition of life. "An obligate anaerobe can survive only in the absence of oxygen"

Category relationships: Biological Science, Biology
Antonyms: Facultative

2. Verb. Force somebody to do something. "They obligate him to write the letter"; "We compel all students to fill out this form"
Exact synonyms: Compel, Oblige
Specialized synonyms: Force, Thrust, Walk, Coerce, Force, Hale, Pressure, Squeeze, Clamor, Condemn, Shame, Apply, Enforce, Implement, Enforce, Impose
Generic synonyms: Cause, Get, Have, Induce, Make, Stimulate
Causes: Act, Move
Derivative terms: Compulsion, Obligation, Obligation

3. Verb. Commit in order to fulfill an obligation. "Obligate money"
Generic synonyms: Commit, Confide, Entrust, Intrust, Trust
Derivative terms: Obligation

4. Verb. Bind by an obligation; cause to be indebted. "I'll hold you by your promise"
Exact synonyms: Bind, Hold, Oblige
Specialized synonyms: Pledge, Article, Indent, Indenture, Tie Down
Generic synonyms: Relate
Derivative terms: Bind, Obligation, Obligation, Obligation

Definition of Obligate

1. v. t. To bring or place under obligation, moral or legal; to hold by a constraining motive.

Definition of Obligate

1. Verb. (transitive) To bind, compel, or constrain by a social, legal, or moral tie. See Synonyms at force. ¹

2. Verb. (transitive) To cause to be grateful or indebted; to oblige. ¹

3. Verb. (transitive) To commit (money, for example) in order to fulfill an obligation. ¹

4. Adjective. (biology) Able to exist or survive only in a particular environment or by assuming a particular role: ''an obligate parasite; an obligate anaerobe. '' ¹

5. Adjective. Absolutely indispensable; essential. ¹

¹ Source:

Definition of Obligate

1. to oblige [v -GATED, -GATING, -GATES] - See also: oblige

Medical Definition of Obligate

1. Without an alternative system or pathway. Origin: L. Ob-ligo, pp. -atus, to bind to (05 Mar 2000)

Lexicographical Neighbors of Obligate

obligate (current term)
obligate aerobe
obligate anaerobe
obligate biped
obligate bipeds
obligate carnivore
obligate carnivores
obligate carrier
obligate parasite
obligate quadruped
obligate quadrupeds

Literary usage of Obligate

Below you will find example usage of this term as found in modern and/or classical literature:

1. Organography of Plants, Especially of the Archegoniata and Spermaphyta by Karl Goebel (1900)
"obligate torsion*. By this term A. Braun designated the twisting of stems caused by the concrescence of leaves in a slightly extended spiral line. ..."

2. Lawyers' Reports Annotated by Lawyers Co-operative Publishing Company (1913)
"An agreement which acknowledges the receipt of money by the agent, which further recites that "I obligate myself to use [the money] in running capital of ..."

3. A Text-book of General Bacteriology by Edwin Oakes Jordan (1921)
"A Differential Key to the Sporulating obligate Anaerobes.— The tentative differential key (pages 412, 413) is based upon an analysis of recent literature in ..."

4. Chambers's Encyclopædia: A Dictionary of Universal Knowledge for the People by Ephraim Chambers (1870)
"When a musical composition is constructed in more than one part, any part is said to be obligate which is not merely employed to strengthen the others, ..."

5. The Law of Suretyship and Guaranty as Administered by Courts of Countries by George Washington Brandt (1905)
"... his principal, in the cost bond, for the reason that he did not obligate himself to pay any judgment for costs that might be rendered against any other ..."

Other Resources:

Search for Obligate on!Search for Obligate on!Search for Obligate on Google!Search for Obligate on Wikipedia!