Obligation
Obligation noun - Something one must do because of prior agreement.
Usage example: their financial obligations keep them from giving to charities as much as they would like
Requirement is a synonym for obligation in responsibility topic. In some cases you can use "Requirement" instead a noun "Obligation", when it comes to topics like need, function, necessity.
Requirement
Requirement noun - Required activity.
Usage example: the requirements of his work affected his health
Obligation is a synonym for requirement in need topic. You can use "Obligation" instead a noun "Requirement", if it concerns topics such as necessity.
Mutual synonyms
Related pairs
- commitment and obligation
- commitment and requirement
- compulsion and obligation
- compulsion and requirement
- liability and obligation
- liability and requirement
- responsibility and obligation
- responsibility and requirement
- duty and obligation
- duty and requirement
- charge and obligation
- charge and requirement
- need and obligation
- need and requirement
How words are described
| high | high obligation | high requirement |
| low | low obligation | low requirement |
| special | special obligation | special requirement |
| particular | particular obligation | particular requirement |
| Other adjectives: certain, true, legal, strong, actual, real, strict, religious, traditional, general, primary, higher, cultural, magical, contractual. | ||
Cite this Source
Requirement and Obligation. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/obligation/requirement
Obligation & Requirement. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/obligation/requirement>.
Requirement or Obligation. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/obligation/requirement.
Google Ngram Viewer shows how "obligation" and "requirement" have occurred on timeline