221 entries under adjective topic. ×

1
needed(important, significant, capital, essential)
1
nitty-gritty(important, original, essential, critical)
1
nub(original, basic, absolute, fundamental)
1
numero uno(expression, head, beginning, prime)
1
opening(head, beginning, original, prime)
1
oxblood
1
perinone
1
persian red
1
pioneer(head, beginning, opening, original)
1
predominating
1
premiere(lead, head, master, boss)
1
prerequisite(important, significant, capital, essential)
1
primaeval
1
primogenial(head, beginning, opening, original)
1
pristine(head, beginning, opening, original)
1
quintessential(significant, essential, basic, vital)
1
raspberry
1
red-violet
1
red wine
1
required(important, significant, capital, essential)
11 years ago|16k views|share |citing 
APASmart Define. (2015). cardinal thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/cardinal/thesaurus/synonyms
ChicagoSmart Define. 2015. "cardinal thesaurus" https://smartdefine.org/cardinal/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, cardinal thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/cardinal/thesaurus/synonyms>.
MLASmart Define. "cardinal thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/cardinal/thesaurus/synonyms>