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
Trust is a synonym for obligation in purpose topic. In some cases you can use "Trust" instead a noun "Obligation", when it comes to topics like responsibility, relationship. literary substitute
Trust
Trust noun - Firm belief in the integrity, ability, effectiveness, or genuineness of someone or something.
Obligation is a synonym for trust in responsibility topic. You can use "Obligation" instead a noun "Trust", if it concerns topics such as purpose, duty, relationship.
Mutual synonyms
Related pairs
How words are described
Both words in one sentence
- Duty. A sense of obligation to those with whom bonds of trust and loyalty have been formed.
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This wins him the unconditional trust, loyalty and affection of each young woman, and creates a strong sense of obligation in them.
Source: Manga / Mouse -
He ditches the other four both because he doesn't feel any obligation to help them or the kingdom and because he doesn't trust the king.
Source: Summon Everyman Hero
Cite this Source
Trust and Obligation. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/obligation/trust
Obligation & Trust. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/obligation/trust>.
Trust or Obligation. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/obligation/trust.
Google Ngram Viewer shows how "obligation" and "trust" have occurred on timeline