0
false(affected, strained, unnatural)
0
fit(appropriate, suitable, expected, fitting, due)
0
fitting(appropriate, suitable, expected, due, anticipated)
0
for sure(expression, sound, certain, true, definite)
0
foreseeable(expected, predictable, unavoidable)
0
fundamental(adjective, significant, essential, basic, vital)
0
habitual(unwilling, compulsory)
0
hackney
0
haemostatic
0
have
0
high-priority
0
idiopathic
0
imperatorial
0
impose
0
impulsive(unwilling, compulsory)
0
incontestable
0
incontrovertible
0
indispensables
0
indissoluble(necessary, required, conclusive)
0
indivertible
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APASmart Define. (2015). obligatory thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/obligatory/thesaurus/synonyms
ChicagoSmart Define. 2015. "obligatory thesaurus" https://smartdefine.org/obligatory/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, obligatory thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/obligatory/thesaurus/synonyms>.
MLASmart Define. "obligatory thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/obligatory/thesaurus/synonyms>