Obligation usually means a dutya responsibility that someone must do because it is expected or something you are requiredneeded or demanded; not optional to do. It can also refer to a legal or financial commitmenta promise or binding responsibility to do something, or the state of being under that commitment.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-07. AI assessment; not a guarantee of accuracy.
Obligation Meaning
a duty or requirement to do something
Part of speech: noun
Definition: the state of being obligated to do or pay something
Example: He is under an obligation to finish the job.
Synonyms for this meaning:
- duty — A common everyday substitute when talking about something you must do.
- responsibility — Works well when the meaning is a duty or task that someone is expected to handle.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-07. AI assessment; not a guarantee of accuracy.
Other Meanings of Obligation
Meaning 2
a feeling of being indebted to someone for help or kindness
Part of speech: noun
Definition: a personal relation in which one is indebted for a service or favor
Example: She felt an obligation to thank him for his help.
Synonyms for this meaning:
- indebtedness — Related, but more formal and less common in everyday speech.
Meaning 3
a written financial promise to pay back money
Part of speech: noun
Definition: a written promise to repay a debt
Example: The company issued obligations to raise funds.
Synonyms for this meaning:
- certificate of indebtedness — A financial term that can match this sense in formal usage.
- debt instrument — A broad financial term for a document representing a debt.
Meaning 4
a legal requirement in a contract or agreement
Part of speech: noun
Definition: a legal agreement specifying a payment or action and the penalty for failure to comply
Example: The lease includes several obligations for the tenant.
Meaning 5
a social or moral duty that pushes you to act in a certain way
Part of speech: noun
Definition: the social force that binds you to the courses of action demanded by that force
Example: He felt an obligation to speak up.
Synonyms for this meaning:
- duty — Fits when obligation means a moral or social duty.
- responsibility — Works when the sense is a socially expected duty.
Reviewed with OpenAI Decisions. Assessment: uncertain — manual review needed. Checked: 2026-10-07. AI assessment; not a guarantee of accuracy.
Obligation Synonyms
Similar Meaning
- duty
- responsibility
personal indebtedness to someone for a favor or service
- indebtedness
a written promise to repay a debt
- certificate of indebtedness
- debt instrument
a social or moral force that requires action
- duty
- responsibility
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-07. AI assessment; not a guarantee of accuracy.
Common Mistakes
- Don't use obligation to mean a general promise unless there is a real duty, legal requirement, or debt involved.
- Don't confuse obligation with indebtedness when the focus is on money rather than gratitude or duty.
- In finance, obligation can mean a debt security or written debt promise, not just a normal responsibility.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-07. AI assessment; not a guarantee of accuracy.
Frequently Asked Questions
What is the main meaning of obligation?
The most common meaning is a duty or requirement to do something. For example, someone may be under an obligation to complete a task.
What are common synonyms for obligation?
Common synonyms include duty and responsibility, especially when obligation means something you are expected or required to do.
Can obligation mean a debt?
Yes. In formal or financial use, obligation can refer to a debt-related document or a written promise to repay money.
Is obligation always legal?
No. It can be legal, financial, social, or moral, depending on the context.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-07. AI assessment; not a guarantee of accuracy.