8
must(verb, bear, endure, want, need)
3
have(verb, want, need, require, obligate)
3
should(verb, bear, endure, want, need)
1
be beholden(verb, lost, incur)
1
be bound(verb, lost, incur)
1
be contracted(verb, lost, incur)
1
be in arrears(verb, lost, incur)
1
be in debt(verb, lost, incur)
1
be indebted(verb, lost, incur)
1
be into one for(verb, lost, incur)
1
be obligated(verb, lost, incur)
1
be obliged to(verb, expression, idiom, phrasal verb, want)
1
be under obligation(verb, lost, incur)
1
behind(verb, lost, incur)
1
behooves(verb, must, should)
1
feel bound(verb, expression, lost, incur)
1
get on credit(verb, expression, idiom, lost, incur)
1
had better(verb, expression, bear, must, would)
1
have a duty to(verb, expression, idiom, bear, must)
1
have borrowed(verb, expression, lost, incur)
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APASmart Define. (2015). ought to thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/ought_to/thesaurus/synonyms
ChicagoSmart Define. 2015. "ought to thesaurus" https://smartdefine.org/ought_to/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, ought to thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/ought_to/thesaurus/synonyms>.
MLASmart Define. "ought to thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/ought_to/thesaurus/synonyms>