Synonyms|312Antonyms|117|Broader|4Narrower|13Related|364

47 entries under essential topic. ×

3
crucial(adjective, important, significant, critical)
3
inescapable(adjective, important, vital, obvious)
3
needed(adjective, significant, basic, vital)
2
compulsatory(adjective, compulsion, commanding, required)
2
decisive(adjective, significant, basic, vital)
2
important(adjective, vital, necessary)
2
necessitous(necessary, required, needed)
1
all-important(adjective, significant, basic, vital)
1
chief(adjective, significant, basic, vital)
1
expedient(adjective, significant, basic, vital)
1
incumbent on(expression, adjective, significant, basic)
1
name of game(expression, adjective, idiom, significant)
1
of the essence(expression, adjective, idiom, important)
1
quintessential(adjective, significant, basic, vital)
1
specified(adjective, significant, basic, vital)
1
wanted(adjective, significant, basic, vital)
0
basic(adjective, significant, vital, fundamental)
0
bottom-line(adjective, significant, basic, vital)
0
called for(expression, right, necessary, compulsory)
0
cardinal(adjective, significant, basic, vital)
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APASmart Define. (2015). obligatory thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/obligatory/thesaurus/synonyms
ChicagoSmart Define. 2015. "obligatory thesaurus" https://smartdefine.org/obligatory/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, obligatory thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/obligatory/thesaurus/synonyms>.
MLASmart Define. "obligatory thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/obligatory/thesaurus/synonyms>