50 entries under obligatory topic. ×

0
enforced(affected, strained, unnatural, required)
0
forced(affected, strained, unnatural, required)
0
fundamental(adjective, significant, essential, basic, vital)
0
momentous(adjective, significant, essential, basic, vital)
0
paramount(adjective, significant, essential, basic, vital)
0
prime(adjective, significant, essential, basic, vital)
0
principal(adjective, significant, essential, basic, vital)
0
significant(adjective, essential, basic, vital, effective)
0
urgent(adjective, significant, essential, basic, vital)
0
vital(adjective, significant, essential, basic, required)
<123>
11 years ago|14k views|share |citing 
APASmart Define. (2015). binding thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/binding/thesaurus/synonyms
ChicagoSmart Define. 2015. "binding thesaurus" https://smartdefine.org/binding/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, binding thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/binding/thesaurus/synonyms>.
MLASmart Define. "binding thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/binding/thesaurus/synonyms>